Fax Answering Performance Counters for Unified Messaging

Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2

Topic Last Modified: 2009-12-07

There are many performance counters that can be used to maintain and troubleshoot a Microsoft Exchange Server 2010 Unified Messaging server. Unified Messaging performance counters are used to measure quantities of information or data for Unified Messaging based on the number, size, duration, and rate of data that is being requested or received.

Fax Answering Performance Counters

The following table provides a list of the fax answering performance counters that can be used to monitor Unified Messaging.

Unified Messaging fax answering performance counters

Performance counter	Performance object	Description
Percentage of Successful Valid Fax Calls	MSExchangeUMFax	Percentage of Successful Valid Fax Calls is the percentage of successful valid fax call requests.
Total Invalid Fax Calls	MSExchangeUMFax	Total Invalid Fax Calls is the total number of fax call requests to extensions that resolved to mailboxes that are not enabled for fax.
Total Successful Valid Fax Calls	MSExchangeUMFax	Total Successful Valid Fax Calls is the total number of valid fax call requests to extensions that resolved to mailboxes that are enabled for fax and were successfully transferred to a fax partner.
Total Valid Fax Calls	MSExchangeUMFax	Total Valid Fax Calls is the total number of valid fax call requests to extensions that resolved to mailboxes that are enabled for fax and were successfully transferred to the fax partner.