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Exchange UM - how to diagnose "Recent Failed Mailbox Connection Attempts" RRS feed

  • Question

  • We have a two-node mailbox DAG stretched across our WAN (25ms latency).

    Beside each mailbox+CAS+HUB server is a UM server in the same site.  

    The UM server that is not in the same site as the active database always seems to report these connection failures, yet I never find any stuck messages in  C:\Program Files\Microsoft\Exchange Server\V14\UnifiedMessaging\voicemail.    The event log doesn't report any errors (set to Expert level detail for UM).

    How can I troubleshoot this further?

    Alert: Mailbox connection failures % over the last 1 hour - Red (> 10)
    Source: General Sensors - Mailbox Failures - XYZ-UM-01 (Unified Messaging) - xyzHouse
    ObjectName: MSExchangeUMAvailability
    CounterName: % of Failed Mailbox Connection Attempts Over the Last Hour
    Value: 14
    

    Friday, October 17, 2014 12:16 PM

All replies

  • Hi 

    Probably you can use network monitor and create a network trace to see if you are able to see any network traffic issues

    http://technet.microsoft.com/en-us/library/bb430768(v=exchg.141).aspx


    Remember to mark as helpful if you find my contribution useful or as an answer if it does answer your question.That will encourage me - and others - to take time out to help you Check out my latest blog posts on http://exchangequery.com Thanks Sathish (MVP)

    Tuesday, October 21, 2014 10:19 AM