Msexchange adaccess when updating security for a remote procedure call

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I had an issue at a customer site where a vitalised multi role Exchange 2010 server was randomly loosing access to Active Directory.There were two Active Directory Domain Controllers with the Global Catalog role in the same Active Directory site as the Exchange 2010 server with highspeed 1gbps LAN between the servers.The Exchange 20 servers, with the exception of one Exchange 2007 mailbox server, were throwing errors such as these: Event Type: Error Event Source: MSExchange ADAccess Event Category: Topology Event ID: 2114 Description: Process MSEXCHANGEADTOPOLOGYSERVICE. Topology discovery failed, error 0x80040952 (LDAP_LOCAL_ERROR (Client-side internal error or bad LDAP message)).The above event may have the following error instead: Topology discovery failed, error 0x80040a02 (DSC_E_NO_SUITABLE_CDC).

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When updating security for a remote procedure call (RPC) access for the Microsoft Exchange Active Directory Topology service, Exchange could not retrieve the security descriptor for Exchange server object Exchange2010 - Error code=80040934.

The Microsoft Exchange Active Directory Topology service will continue starting with limited permissions.

The resulting report details important configuration issues, potential problems, and nondefault product settings.

By following these recommendations, you can achieve better performance, scalability, reliability, and uptime.

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