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Old December 19th, 2011, 08:08 AM   #1 (permalink)
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Default Exchange E-Mail Eating Up Battery

After setting up my Exchange e-mail, I've noticed that I'm going through my battery much quicker (dropped from full charge to 90% in less than 30 mins) and the battery itself is getting hot. Is anyone experiencing the same issue?

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Old December 19th, 2011, 08:15 AM   #2 (permalink)
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How much does "Exchange Services" register in the Battery usage stats?

I set my Exchange email up yesterday... and in 9h 49m of usage it only amounted to 5% - beaten out by Screen (37), Android OS (36), Phone idle (6), and Cell standby (5)
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Old December 19th, 2011, 08:34 AM   #3 (permalink)
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I'm not. Exchange Services on my phone is at 2% usage.
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Old December 19th, 2011, 08:36 AM   #4 (permalink)
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It might be just syncing your mail, contacts and calendar the first time. I'm using Exchange and it's all good.
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Old December 19th, 2011, 08:41 AM   #5 (permalink)
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Exchange Services is the 2nd most being utilized:

Screen - 44%
Exchange Services 37 %
Android OS 8%
All other: 3% or under.
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Old December 19th, 2011, 09:16 AM   #6 (permalink)
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Quote:
Originally Posted by fatalysis View Post
Exchange Services is the 2nd most being utilized:

Screen - 44%
Exchange Services 37 %
Android OS 8%
All other: 3% or under.
Like the poster above, it may be just the first sync if you have allot to sync at first. Mine is at 2% as well.
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Old December 19th, 2011, 11:33 AM   #7 (permalink)
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Default Same Issue

I have had Exchange setup for 3 days. I'm still seeing Exchange Services take a big chunk of battery. It is always first or a close second to screen in battery use. I have tried tweaking the settings. I tried changing from push email to update every 5 min. I even tried changing it to 10 min. I am synching email, calendar and contacts. I have it set to not auto download attachments. Are there other settings I should be looking at? I also turned off 4g since it's not available in my area yet. Phone is rooted, but I'm using stock ROM, kernel, etc. I ordered extended battery but it looks like it only adds ~15% capacity.

For those who have very low Exchange Services battery usage, can you post details of settings?
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Old December 19th, 2011, 11:39 AM   #8 (permalink)
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Not mine. it's perfect. Barley even registers on batt usage(2%). And for the first time with an Android phone, it synced easy.

But not problems here. And your setting seem correct. Humm
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Old December 19th, 2011, 11:52 AM   #9 (permalink)
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Mine says 4%.
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Old December 19th, 2011, 12:28 PM   #10 (permalink)
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Mine now says 4% (Just downloaded a large PDF).

Here are my screens:


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Old December 19th, 2011, 12:41 PM   #11 (permalink)
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I will say I only have 30 contacts (most are in gmail, personal) and about 100 calendar entries (some with attachements).

As far as days to sync, my complete email has about 8k emails, but only syncing 30 days, my guess is about 500 emails.
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Old December 19th, 2011, 08:43 PM   #12 (permalink)
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Hey - you're not alone here. When my corporate account is setup my battery lasts about 3hrs with NO use at all (comletely idle). Exchange Services takes up about 80% of the battery. I even exchanged the handset to make sure it wasn't the unit itself.

Since I disabled it battery life seems to be normal (at least based on what others have posted). Only thing can think is that it's hanging on first sync and burning juice. I noticed that several of my calendar appointments were missing and never got to the bottom of it. Seems like a software issue that may be localized based on a companys exchange setup...

Highly annoying...Haven't been able to get Touchdown working on ICS as an alternative so figure I'm stuck for now...

- Mike
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Old December 20th, 2011, 05:58 AM   #13 (permalink)
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I have similar problem exchange eating all the battery whenever i setup exchange or even the new hotmail app. I notice in gobluejd's post that the keep awake time is only 2m 5s, in my case been on battery for 3h 2m and exchange has kept it awake for 2h 9m!!! this must be the problem...how do we fix that???
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Old December 20th, 2011, 06:03 AM   #14 (permalink)
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I use Good as middleware to get work emails and contacts, and it seems to be running very efficiently with almost no battery use.
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Old December 20th, 2011, 06:08 AM   #15 (permalink)
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Using touchdown exchange client. Lowest use. Very little use of battery. I get emails all day as well.
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Old December 20th, 2011, 07:32 AM   #16 (permalink)
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I'm wondering if it's the sync time? I have mine on every 5 mins.


Are you guys set to "As they arrive".

i know you probably already tried that but i figured i would ask. I just find it hard to beleive that some it's a hog and mine (and others) it works perfect.

I'm going to change mine right now to test.
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Old December 20th, 2011, 07:33 AM   #17 (permalink)
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Quote:
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Using touchdown exchange client. Lowest use. Very little use of battery. I get emails all day as well.


...agree. Touchdown is the best.
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Old December 20th, 2011, 08:19 AM   #18 (permalink)
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Quote:
Originally Posted by wedgemoose View Post
I'm wondering if it's the sync time? I have mine on every 5 mins.


Are you guys set to "As they arrive".

i know you probably already tried that but i figured i would ask. I just find it hard to beleive that some it's a hog and mine (and others) it works perfect.

I'm going to change mine right now to test.
As items arrive. Push.
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Old December 20th, 2011, 09:48 AM   #19 (permalink)
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Default Big Improvement

I think my issue w/ Exchange Services using huge battery is resolved. I noticed (as did another on this thread) that certain calendar events were not showing on the phone. I had to go through my Outlook calendar and change any reoccurring events with no end date to have an end date. After that, the Android calendar showed all Exchange events, updated correctly and battery usage for Exchange Services has gone way down. I still don't have a full day, so I'm not sure how low, but I am sure it's gone down to a much more reasonable level.
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Old December 20th, 2011, 10:14 AM   #20 (permalink)
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For those that have problems:

Have you checked Settings>Accounts & Sync>Exchange Account and see if you have the SYNC ICON instead of check mark?

Check Mark = It has completed Sync
Sync Symbol = White Sync moving means your exchange sync is in progress. I think this also shows in the notification bar by time, alarm, wifi, signal etc.

On my HTC phones sometimes this would hang and drain my battery. Sometimes it was a contact it did not like or a repeating calendar entry.

I would try this:
do not sync everything. Start off with just email, then let that for a while and see how battery life is. Continue adding services until you find what is causing it.

My bet it is a calendar entry.
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Old December 20th, 2011, 10:16 AM   #21 (permalink)
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Quote:
Originally Posted by jamosjamos View Post
I think my issue w/ Exchange Services using huge battery is resolved. I noticed (as did another on this thread) that certain calendar events were not showing on the phone. I had to go through my Outlook calendar and change any reoccurring events with no end date to have an end date. After that, the Android calendar showed all Exchange events, updated correctly and battery usage for Exchange Services has gone way down. I still don't have a full day, so I'm not sure how low, but I am sure it's gone down to a much more reasonable level.
Wow - thanks for nailing it. I isolated it to Calendar last night by re-enabling Exchange but excluding Calendar sync. Battery life was what I would expect and a huge improvement from before.

Now my problem - i have a ton of recurring events and am not the organizer of them all. It will be a major pain to police this. Will give it a try though....

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Old December 20th, 2011, 11:12 AM   #22 (permalink)
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Default Alternative

One alternative I read about but have not tried seems to be to synch your Exchange calendar with Google calendar, then synch phone with Google calendar. This does seem to allow one to leave reoccurring meetings with no end date, but it's not as secure because your calendar replicates to Google. There is supposed to be an app that syncs Google to Exchange both ways.
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Old December 20th, 2011, 11:49 AM   #23 (permalink)
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Quote:
Originally Posted by MikeDiggityD View Post
Wow - thanks for nailing it. I isolated it to Calendar last night by re-enabling Exchange but excluding Calendar sync. Battery life was what I would expect and a huge improvement from before.

Now my problem - i have a ton of recurring events and am not the organizer of them all. It will be a major pain to police this. Will give it a try though....

- Mike
Same problem with exchange but I refuse to disable my calendar if that is really the cause - I need it for work. Google just needs to work this issue out. There was a problem with froyo and exchange when it was first launched.
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Old December 20th, 2011, 01:45 PM   #24 (permalink)
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Yeah - i remember the issues. I actually had Exchange issues with my D1 and Eclair, so i'm not feeling very confident about Google getting a quick fix though hopefully it will get tracked somewhere. Seems like an easy fix.

I'm trying Touchdown but also having issues syncing there on the GN. Works fine on my D1 so not sure.

Being an early adopter is greeeeeeaaat....

- Mike
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Old December 22nd, 2011, 12:47 PM   #25 (permalink)
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I had issues with exchange services sucking up all my battery life and phone showing awake almost all the time for the first 3 days. I removed the exchange account, watched battery life for a full day and got 18+ hours and the phone awake started matching the screen on. OK so that guaranteed that the awake issue was related to exchange services.

I then added my exchange account back and it worked for two days with great battery life. awake continue to match screen on, so thought this was awesome, guess it fixed itself. Whoo Hoo!

Well, this morning now it's back to being awake all the time and exchange services is sucking up all the battery life... Tried pulling battery and still doing the same thing... Wish I could figure this out. Nothing changed for my calendar appointments (there are plenty of recurring apts with no end dates). These were present when it was working correctly so I'm not convinced this is the cause for me.
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Old December 22nd, 2011, 01:05 PM   #26 (permalink)
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Quote:
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I had issues with exchange services sucking up all my battery life and phone showing awake almost all the time for the first 3 days. I removed the exchange account, watched battery life for a full day and got 18+ hours and the phone awake started matching the screen on. OK so that guaranteed that the awake issue was related to exchange services.

I then added my exchange account back and it worked for two days with great battery life. awake continue to match screen on, so thought this was awesome, guess it fixed itself. Whoo Hoo!

Well, this morning now it's back to being awake all the time and exchange services is sucking up all the battery life... Tried pulling battery and still doing the same thing... Wish I could figure this out. Nothing changed for my calendar appointments (there are plenty of recurring apts with no end dates). These were present when it was working correctly so I'm not convinced this is the cause for me.
I force stopped mine then restarted the phone and now its working just fine. In fact, I am at 16 hrs and 76% battery left (extended battery) and exchange is pushing my emails and calendar is synced. I am not sure what the exchange problem is but at some point it must randomly loop itself and just need a reboot.
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Old December 22nd, 2011, 01:21 PM   #27 (permalink)
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Well, It is definitely something with syncing with calendar. I turned off the sync for just calendar and checked battery stats 10 minutes later and now the phone is sleeping again like normal. So until this gets fixed I figured I'll just keep calendar sync off and then once a day will manually sync.
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Old December 22nd, 2011, 01:36 PM   #28 (permalink)
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Well, It is definitely something with syncing with calendar. I turned off the sync for just calendar and checked battery stats 10 minutes later and now the phone is sleeping again like normal. So until this gets fixed I figured I'll just keep calendar sync off and then once a day will manually sync.
thanks for the tip. I will have to shut mine off as well if I run into the bug again. I can survive the next 3 weeks without my calendar but as soon as my semester starts back up that calendar on my phone becomes my life!
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Old December 22nd, 2011, 01:59 PM   #29 (permalink)
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I have exchange on mine and have no issues. It works just like it has on all of my other android devices. Exchange services are always 2 or 3 percent of my battery usage.
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Old December 23rd, 2011, 11:46 AM   #30 (permalink)
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Default Exchange issues

I couldn't get the native exchange to work, and had to switch to touchdown. Even that took some tweaking to get it loaded.

Turning off Sync seemed to fix the data gobbling. This is a weeks worth of data.

Be interesting if this Calendar detail is an issue.

For me, just getting connected proved impossible through the built in email client.
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Old January 11th, 2012, 10:55 AM   #31 (permalink)
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Confused Office365 Issue

If you're using Office365 that may be the problem. I had the same issue, brutal battery life, long keep awake times and lack of syncing. I can't find the links to the threads right now (and can't post them anyway, being a new user), but you may end up having to change your server settings from podxxxxx.outlook.com to ch1prdxxxx.outlook.com or something similar.
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Old January 11th, 2012, 11:26 AM   #32 (permalink)
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Interesting thread - up until today, my Exchange battery usage stat has been very, very low. Today, it is sky high! I've gotten more mail today than usual but not that much more to account for the usage. I have mine set to push updates but it's been set that way since I got the phone before Christmas. My battery died rapidly yesterday too but I did not notice if it was Exchange but likely it was.

I've rapidly gone from a happy Nexus user with battery life of a full day or sometime even a little more to a very unhappy one who got less than 12 hours of life yesterday.

Just tried killing the app and restarting the phone as a battery pull made no difference.
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Old January 11th, 2012, 11:37 AM   #33 (permalink)
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Some have suggested that it's caused by recurring calendar entries that have no end date. Perhaps you just added one....???
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Old January 11th, 2012, 11:50 AM   #34 (permalink)
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Hi John -

I didn't add any recurring entries without dates but I did have an item disappear off my calendar out of Outlook yesterday about the time this all started. I was working on my desktop, not the phone at the time. I had suggested a new time, the other person accepted and I got an invite back in my mailbox for the original time. When I accepted again, the calendar entry disappeared in Outlook completely. I had just taken the phone off the charger when this started and it was then that I noticed the rapid battery drain. My "awake" time was really high all afternoon and was the same today after charging as well and today Exchange was up at the top of the list for usage when usually it is at the bottom.

It hasn't been long enough since I killed it and rebooted to see if this is the issue but I am hoping so! I've searched for the missing meeting in Outlook and it is nowhere to be found so I can't delete it if I wanted to. Fingers crossed the kill/reboot worked!
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Old January 12th, 2012, 06:47 AM   #35 (permalink)
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Force stop and restart helped a little but my battery still dropped like a rock.

I have lots of appointments with no end dates and although I did receive a few new ones the day the problems started, I've had others that were there the first day I sync'd my phone. I get as many invites as I make myself so saying "you can't have an appointment without an end date" does not cut it for me.

Anyone else have any suggestions as to how to get this squared away? I love my Nexus and was really pleased with the battery life until 2 days ago so I hope this is something that can get resolved!
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Old January 12th, 2012, 10:35 AM   #36 (permalink)
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Switched to touchdown and things are back to normal. Although Touchdown is pretty impressive in its feature list I just like the way stock looks better. As soon as any fix is available I will switch back, but Calendar and Mail Sync are the 1st priority for any smartphone to be useful to me.
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Old January 17th, 2012, 06:45 PM   #37 (permalink)
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Hmm-- after a few days on touchdown, now touchdown is killing my battery.
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Old January 24th, 2012, 07:00 AM   #38 (permalink)
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I've done some playing around and found that if I have WiFi turned on, I am back to getting 24+ hrs out of my battery but without it, I am lucky to get 8 hrs as I noted before.

I know others have reported that WiFi has helped alot but the part that I don't get is I was in the 24 hr range without WiFi at one point too!

Turning off the calendar sync has made no difference at all - I still see Exchange doing "something" all night long.
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Old January 24th, 2012, 07:16 AM   #39 (permalink)
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Quote:
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I've done some playing around and found that if I have WiFi turned on, I am back to getting 24+ hrs out of my battery but without it, I am lucky to get 8 hrs as I noted before.

I know others have reported that WiFi has helped alot but the part that I don't get is I was in the 24 hr range without WiFi at one point too!

Turning off the calendar sync has made no difference at all - I still see Exchange doing "something" all night long.
If you are in a location with poor 3G / LTE signal it will constantly ping for signal. I leave my wifi on 24/7. I am either at work or home for the majority of the day. I get about 18 hrs on my standard battery.
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Old January 24th, 2012, 11:44 AM   #40 (permalink)
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Thanks gobluejd - my signal is generally pretty good on 3G, in fact, it runs more in the "green" on the battery meter than on the "gold". Before I started having the issue I got almost solid gold but now it is more "green" which Verizon tells me is a better signal. Nothing changed from one day to the next but yet everything changed in terms of battery life. It's really odd but I've seen several other forums where people have reported the same thing - good life with Exchange and then suddenly very poor.
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Old January 25th, 2012, 09:10 PM   #41 (permalink)
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Chiming in I found today that Exch calendar is killing my battery most days (but not all). Prior days I would find the battery graph mostly green and dead within 9 hours. Today with calendar sync off the graph is mostly gold and at 50% at 10 hours. I have WiFi active all day and WiFi signal all day. I have a very weak cellular signal most of the day. Without question Exch calendar sync was killing my battery. Interestingly it did not appear as a major offender in the battery process list. Android OS was just by far the largest consumer.

edit: I take it back, even just having email sync active is KILLING my battery no matter what the check interval. Something is up with Exchange in general, at least with the account I connect with.
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Old February 9th, 2012, 01:10 PM   #42 (permalink)
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Quote:
Originally Posted by fatalysis View Post
Exchange Services is the 2nd most being utilized:

Screen - 44%
Exchange Services 37 %
Android OS 8%
All other: 3% or under.
i'm having this same issue. an interesting data point is that i have been using my phone for a month now and exchange services was never in top 5 or even top 10 in battery usage, and all of a sudden it jumped up in the past few days (so it's not an initial data dump). i haven't changed any sync settings at all (i've always synced mail, contacts, and calendar with no issue prior to a couple days ago, aside from the inherent abysmal battery life of the nexus). i've been burning through my standard and extended batteries...

the fact that i had been able to sync in the past without exchange services being in the top 10 makes me think that a) something is up with exchange and b) there is a solution... i need to sync calendar for work so disabling that is not an option for me (and it sounds like that's not necessarily the culprit anyway).

btw as i troubleshoot, does anyone know how to reset the battery usage chart / screen? power off / battery pull does not reset it.
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Old February 13th, 2012, 05:20 PM   #43 (permalink)
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I am having this same issue.

Although--I dont have calendar or contact syncing turned on...just emails.
Initially I thought it was because the refresh setting was set to "Push"--but setting it to 1 hour doesnt help either.

Just email syncing kills the battery too. In 4-5 hours tops...and it eats up 70% of the battery.

Although my calendar entries may not have end dates...im not syncing the calendar anyway...

So--I would say that this issue exists even without Calendar issues.

I am on the Nexus S ICS stock.
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Old February 14th, 2012, 05:10 PM   #44 (permalink)
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I'm another victim. Normal usage for months and all of a sudden without making any changes to my Hotmail account, it's on top of battery and data usage. Somethings up!

I posted over at XDA and someone suggested to initiate debugging logging on this account. I just did it and am looking at the log files now.

Here is a link to my post on XDA:
Exchange services draining battery - xda-developers
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Old February 14th, 2012, 06:17 PM   #45 (permalink)
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I've been a victim for some time but then last week, for 3 days, the problem went away. The phone had been off for about an hour while on a plane (not in airplane mode) and when I turned it back on, all was well with Exchange. Alas, it lasted only 3 days and then the problem was back. I noticed it after I restarted the phone but I think the problem had already started. I've also noticed that even when Exchange use is high, I do significantly better (24+ hrs instead of 8 hours) of battery life if on WiFi.

As the poster above said, Exchange work, sometimes. I'm hoping for another lucky day where usage drops back to 2-3% like it was last week.
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Old February 16th, 2012, 03:49 PM   #46 (permalink)
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I am planning to remove my account and try and redo the setup to see if that changes anything.

Many other posters have mentioned that the workaroudn for this situation is to either
1. Put end dates on appointments on the calendar entries.
2. Remove the calendar sync.

Neither of those have helped in my case.
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Old February 22nd, 2012, 03:18 AM   #47 (permalink)
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After a month of usage, suddenly the battery started draining out in about 4 hours after charging even during the night/no activity.

So thanks to this thread I checked my Outlook calendar (which i sync to my Google calendar and then to my Galaxy Nexus) and found some 50 recurring calendar items with no end date like birthdays, regular tasks etc.
Then I just set those recurrence limitations to say 50 or 80 times, or set the end date. That solved the problem, and now the battery lasts for about 2 days which is normal for GN.

The question is why it became a problem so suddenly and not after first syncing to Outlook? And I hope this bug will be solved.
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Old February 26th, 2012, 12:53 PM   #48 (permalink)
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I have the same issue!!! I've tried all of teh suggestions above but none have worked.
anyone find a solution?!

My phone was working fine and only started having this exchange issue the past couple days
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Old February 27th, 2012, 03:28 PM   #49 (permalink)
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Quote:
Originally Posted by kktk View Post
I am planning to remove my account and try and redo the setup to see if that changes anything.

Many other posters have mentioned that the workaroudn for this situation is to either
1. Put end dates on appointments on the calendar entries.
2. Remove the calendar sync.

Neither of those have helped in my case.
I did this and it seemed to work for me. Although I did untick calender and contact sync, but I set my emails back to push and all is good again.
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Old February 28th, 2012, 04:59 PM   #50 (permalink)
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I deleted the Exchange account and added it back about a week ago - I don't want to jinx myself but so far, so good.
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