See the forum post here about an issue while moving between servers:
http://genlife.is-a-geek.org/genlife/forum_thread.php?id=132&nowrap=true#821
If you have Genlife uploads timing out, you should reboot, or do the following:
1) stop BOINC
2) flush your DNS cache (in Windows, use the command ipconfig /flushdns
3) restart BOINC