[cisco-voip] MWI not working

[Dan Schmitt]

I have a situation where users at a specific branch office on an Unified Communications cluster (LDAP synced) that are not seeing an activated MWI light when they get a new voice mail.  Everything used to work just fine as it supposed to. When the MWI is refreshed within the Messages tab, it indicates 'ON'. However the actual phone does not turn on the MWI.

Steps already checked:
Message Waiting extension/parameters DO match within Unity and Call Manager.
Voice mail ports and IP Phones are in the same CSS.
A re-sync of subscriber mailboxes finished successfully.
AVNotifierMgr service is running.
There are no Application errors in the Event Viewer indicating lack of MWI ports.

Also within the Application Event Viewer I noticed an error:

A MAPI function call to the Microsoft Exchange server took 8125 milliseconds, which exceeds the system threshold of 5000 milliseconds.  The most likely causes are an overloaded Exchange server or poor network connectivity to the Exchange server.  This is likely to affect the operation of the Cisco Unity server in a number of ways, including slow response or delays during phone calls, ports getting stuck or not answering calls, and Unity failover if a secondary server is active.

To troubleshoot this problem, enable all AvWM micro traces using the Cisco Unity Diagnostic Tool (UDT), and investigate the Exchange server for high system load and other indications that maintainance is required.  For more information, please consult the Troubleshooting Guide For Cisco Unity with Microsoft Exchange.

Technical Details:
Method IMAPITable::QueryRows (returned 0x00000000)
Exchange Server: xxxxx
Outstanding Server MAPI Requests: 0 

Also have about 80 errors reading:

An attempt to create a search-result folder for account cn=xxxx,cn=xxxx,ou=xxxx,o=xxxx has failed.  The MAPI subsystem returned the following error: 80040115.

This is typically an indication of configuration issues with Unity, Exchange, or the MAPI subsystem. 


Not sure what else to look at to troubleshoot this issue. If anyone can provide some suggestions, that would be much appreciated.
 


Dan Schmitt

customade806 at hotmail.com


 		 	   		  
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