I have recently migrated from SBS 2003 to 2008 and migrated all exchange services to 2010 on the new SBS. The migration is complete and the 2003 SBS has been demoted and has no exchange services running on it.
There are no records in DNS pointing to the old SBS (Server 1)
However if I create a DNS alias for Server 1 to point to new Server 2 the exchange services will not start and I get errors like the one below in the windows event log.
If I delete the alias all is fine.
Does anyone know or have a theory as to what is happening here when starting exchange services and Information store?
Microsoft Exchange Active Directory Topology Service
Process MSEXCHANGEADTOPOLOGYSERVICE.EXE (PID=3268). Topology discovery failed, error 0x80040a02 (DSC_E_NO_SUITABLE_CDC).
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