I seem to have nothing but issues with DRS replication in my environment. This is my most recent error, that I can't seem to figure out (WERR_SEM_TIMEOUT). What might be causing that? CN=Configuration,DC=ad,DC=domain,DC=com HQ\HQADS1 via RPC DSA object GUID: 917acf91-c43a-409f-bf8f-86f885a5b108 Last attempt @ Thu Jan 31 01:06:40 2013 EST failed, result 121 (WERR_SEM_TIMEOUT) 25 consecutive failure(s). Last success @ NTTIME(0)