Windows dns an unknown error occurred while validating the server

Posted by / 10-Dec-2017 17:32

Windows dns an unknown error occurred while validating the server

Verify that Client Authentication and Server Authentication are listed in the Intended Purposes column.When you get and install new certificate on Lync Server then run Lync server deployment wizard and assign new certificate.2- Same issue on Inter domain federation between Lync/OCS Edge Server and Cisco Presence Server.The access edge certificate on access edge interface of Edge server must have both Server Authentication and Client Authentication purposes.

Also Lync user cannot see the presence of the cups user.

see: Inter domain Federation for IM and Presence Service on Cisco Unified Communications Manager document.

More Information: You must also configure CUPS and CUCM serves by using host names (FQDNs) not IP addresses.

(Presence Unknown) Following errors logged in Lync Server event log: Over the past 20 minutes, Lync Server has experienced TLS outgoing connection failures 7 time(s).

The error code of the last failure is 0x80090327 (An unknown error occurred while processing the certificate.) while trying to connect to the server “CISCOCUPS.internal.contoso.com” at address [.161], and the display name in the peer certificate is “Unavailable”.

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Applies To: Lync 2010 and Cisco Unified Communications Manager, Release 9.1 Problem: You need to configure Partitioned Intradomain between Lync 2010 and CUPS 9.1 (This post is valid for inter domain federation see important notes below) CUPS and Lync 2010 Enterprise servers based on the document Partitioned Intradomain Federation for IM and Presence Service on the documents Cisco Unified Communications Manager, Release 9.1(1) ( Partitioned Intradomain means that CUPS users and Lync users have the same sip domain addresses like [email protected] [email protected] you observed that CUPS users can send IM and see presence information of Lync users but Lync users cannot send IM and see presence of CUPS users.

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