Hi there! Welcome to my blog. My name is Ivan. I am a Dutch IT Professional working as Principal IT Consultant. 
OCS: Office Communications Server down after KB974571
Last week Microsoft released serveral security updates and KB974571 broke our production OCS 2007 server at our hosted environment. Serveral events were shown in the Systemlog: Event Type: Error Event Source: Service Control Manager Event Category: None Event ID: 7038 Date: 10/17/2009 Time: 7:04:25 PM User: N/A Computer: OCS Description: The RtcSrv service was unable to log on...
