Originally Posted by CargoMatatu
I have exactly the same issue, and only with my home WiFi. All connections away from home work first time.
Having to reboot the rooter and/or the Tab is, honestly, a pain in the @rse!
Let's hope this is fixed when the ICS upgrade comes out.
Donít hold your breath!
It seems very likely that your router is the problem here. Getting a better router is your better shot.