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Exchange 2007 Topology discovery failed, error 0x80040a02 (DSC_E_NO_SUITABLE_CDC)

05 Sep

Environment

exchange 2007 sp2 on windows 2003 r2 sp2 with domain controller windows 2008 and windows 2008 r2.

Symptom

Exchange cluster resource can not bring online.  Event viewer shows error:

Microsoft Exchange Active Directory Topology Service

Process MSEXCHANGEADTOPOLOGYSERVICE.EXE (PID=3268). Topology discovery failed, error 0x80040a02 (DSC_E_NO_SUITABLE_CDC). Look up the Lightweight Directory Access Protocol (LDAP) error code specified in the event description. To do this, use Microsoft Knowledge Base article 218185, "Microsoft LDAP Error Codes." Use the information in that article to learn more about the cause and resolution to this error. Use the Ping or PathPing command-line tools to test network connectivity to local domain controllers.

workround

add exchange servers group to domain admins group, then restart all exchange servers.

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Posted by on September 5, 2010 in Exchange Server

 

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