Source: MSExchange ADAccess Event ID: 2604Task Category: General Level: Error Description: Process MSEXCHANGEADTOPOLOGY (PID=1784).
When updating security for a remote procedure call (RPC) access for the Exchange Active Directory Topology service, Exchange could not retrieve the security descriptor for Exchange server object E2K7-X64 - Error code=80040a01.
Use the Ping or Path Ping command-line tools to test network connectivity to local domain controllers.
The above event may have the following error instead: Topology discovery failed, error 0x80040a02 (DSC_E_NO_SUITABLE_CDC).
And in his Default Domain Policy, the Exchange Enterprise Servers (EES) group (Exchange 2003 group) had been granted the right.
To fix this, we linked the Default Domain Controllers Policy to the Domain Controllers container, removed the link to the Default Domain Policy from the container, and then ran ‘gpupdate /force’ on the DC to apply the policy.The site monitor API was unable to verify the site name for this Exchange computer - Call=Hr Search Error code=80040a01.Make sure that Exchange server is correctly registered on the DNS server. COM CDG 1 7 7 1 0 0 1 7 1 For well-versed Exchange folks, the problem in this 2080 is fairly obvious, the Exchange server is missing the SACL (Manage auditing and security log) right on the DC’s.(Edited 8/8/2011 to add additional error that might be found in the 2114 description.This is something I’ve ended up having to resolve multiple times with customers, so I felt it would be good to get a post out about it.