Hi everyone, We have two node Vertias Claster Server and there are running Exchange Server 2007 SP1 Mailbox Role Recently we try to upgrade Exchange to SP2 and failed First we Install SP2 on passive node, SP2 says installed and OK Switch from active node to newly upgraded, and exchange services not starting, message in event log Event Type: Error Event Source: Service Control Manager Event Category: None Event ID: 7000 Date: 4/28/2010 Time: 9:36:57 PM User: N/A Computer: MBX Description: The Microsoft Exchange Active Directory Topology Service service failed to start due to the following error: The system cannot find the file specified. Then cluster starts Exchange on old not updated node. P.S. version of Veritas software: 5 any ideas?

no ideas?

Hi Have you followed the guide? http://technet.microsoft.com/en-us/library/bb676559%28EXCHG.80%29.aspxJonas Andersson MCTS: Microsoft Exchange Server 2010, Configuration | MCITP: EMA | MCSE/MCSA Blog: http://www.testlabs.se/blog