Go ahead and manually specify the AD site in the registry. Regards,
Michael B. Smith Consultant and Exchange MVP http://TheEssentialExchange.com From: Jason Benway [mailto:benw...@jsjcorp.com] Sent: Tuesday, November 15, 2011 8:47 AM To: MS-Exchange Admin Issues Subject: process msexchangeadtopologyservice.exe topology discovery failed I've had this issue a few times on our new CAS server. The server has rights to the Manage Auditing and Security in the default domain controller GPO IPV6 is NOT disabled. This is for an Exchange 2010 CAS/HT server. --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe exchangelist