Exchange 2010 Unified Messaging Role Counters (Advanced)

Version 1

    This template contains advanced performance and statistics counters for monitoring Exchange 2010 Unified Messaging Role. Some of the counters may require manual configuration, such as setting up installation-specific instances, correcting thresholds for the client’s environment, and so forth. Use this template in addition to the Exchange 2007-2010 Unified Messaging Role Services and Counters (Basic) template.


    Prerequisites: RPC and WMI access to the Exchange server. 

    Credentials: Windows Administrator on the target server.


    Monitored Components

    These performance counters are based on the following information:

     

    Average Call Duration

    Average Call Duration is the average duration, in seconds, of calls since the service was started.


    Total Calls

    Total Calls is the number of calls answered or placed since the service was started. Transfers are not included.


    User Response Latency

    User Response Latency is the average response time, in milliseconds, for the system to respond to a user request. This average is calculated over the last 25 calls. This counter is limited to calls that require significant processing.


    Call Answering Calls

    Call Answering Calls is the number of diverted calls that were answered on behalf of subscribers.


    Percentage of Successful Valid Fax Calls

    Percentage of Successful Valid Fax Calls is the percentage of successful valid fax call requests.


    % of Failed Mailbox Connection Attempts Over the Last Hour

    Shows the percentage of mailbox connection attempts that failed in the last hour.

    Should be less than 5%.


    % of Inbound Calls Rejected by the UM Service Over the Last Hour

    Shows the percentage of inbound calls that were rejected by the Microsoft Exchange Unified Messaging (UM) service over the last hour.

    Should be less than 5%.


    % of Inbound Calls Rejected by the UM Worker Process Over the Last Hour

    Shows the percentage of inbound calls that were rejected by the UM worker process over the last hour.

    Should be less than 5%.


    % of Messages Successfully Processed Over the Last Hour

    Shows the percentage of messages that were successfully processed by the Microsoft Exchange Unified Messaging service over the last hour.

    Should be greater than or equal to 95%.


    % of Partner Voice Message Transcription Failures Over the Last Hour

    Shows the percentage of voice messages for which transcription failed in the last hour.

    Should be less than 5%.


    Calls Disconnected on Irrecoverable Internal Error

    Shows the number of calls disconnected after an internal system error occurred.

    Should be 0 at all times.


    Total Inbound Calls Rejected by the UM Service

    Shows the total number of inbound calls that were rejected by the Microsoft Exchange Unified Messaging Service since the service was started.

    Should be 0 at all times.

     

    Portions of this document were originally created by and are excerpted from the following sources:

    Microsoft Corporation, “Technet Library,” Copyright © 2012 Microsoft Corporation.  All rights reserved. Available at

    http://technet.microsoft.com/en-us/library/bb691338.aspx and http://technet.microsoft.com/en-us/library/bb201689%28EXCHG.80%29.aspx