Can't remove seconday gmail account

I'm using Cyanogen 6 RC2. I added a second gmail account configured only to sync mail. I have disabled all sync options for that second one but I can't remove it. I receive a message that "This account is required by some applications. You can only remove it by resetting the phone to factory defaults." I can't recall ever setting any application to use it, and I see no option to list which applications say they do. Any ideas?

 

I thought I had sent you a reply to the PM you sent me after your post in this thread, but now I don't see it in my sent box.

I did not find a way around this. It turned out that the secondary account was used by the Market. My primary account is an Apps account (personal domain, not @gmail.com). Apparently Google Checkout as used by the Market can't process purchases with an Apps account, only with @gmail.com accounts. At least in the US. Only paid apps are affected by this, since the free ones don't need to process thru Checkout. The good news is that after resetting my device and adding only my Apps account, I can still download my purchased apps. So the license/purchase is correctly attributed to the Apps account, but the transaction needed my @gmail.com account (the receipt was sent to the @gmail.com address too).

 

Already migrated my domain. I still can't upload to picasa or mymaps with it but it's good to know that things like that are on the horizon. I'm guessing Android is the reason Google is finally taking care of the Apps vs Google account problem on all their services.