- Server 2008 R2 SP1 (Complete identical, VM ESX, Memory, HD’s, Layout, etc.) > Setup from ISO (No Templates!)
- Exchange 2010 SP3 CAS Rolle Install, Reboot
- Exchange 2010 SP3 Rollup 1, Reboot
- Attached to Windows Update Server via Active Directory Groups
- Installed 102 Patches from WSUS 3.X on Server 2003R2 in a Server 2008R2 Domain.
Server 1: Fail 28 updates
Server 2: All goes done in one attempt
Seems to start after KB2643719 on one server
Failed: