Microsoft Exchange Performance Counters

Microsoft Exchange Unified Messaging Subscriber Access Performance counters

There are many performance counters that can be used to maintain and troubleshoot a Microsoft Exchange Server 2010 Unified Messaging (UM) 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's being requested or received. Object: MSExchangeUMSubscriberAccess

Counter Name Description
Counter Name: Average Recent Sent Voice Message Size Description: Average Recent Sent Voice Message Size is the average size, in seconds, of the last 50 voice messages that were sent.
Counter Name: Average Recent Subscriber Call Duration Description: Average Recent Subscriber Call Duration is the average length of time, in seconds, that subscribers spent logged on to the system for the last 50 subscriber calls.
Counter Name: Average Sent Voice Message Size Description: Average Sent Voice Message Size is the average size, in seconds, of voice messages that are sent. This size doesn't include any attachment data.
Counter Name: Average Subscriber Call Duration Description: Average Subscriber Call Duration is the average duration, in seconds, that subscribers spent logged on to the system. This timer starts when logon completes.
Counter Name: Calendar Accessed Description: Calendar Accessed is the number of times subscribers accessed their calendars using the telephone user interface.
Counter Name: Calendar Items Details Requested Description: Calendar Items Details Requested is the number of times a subscriber requested additional details for a calendar item.
Counter Name: Calendar Items Heard Description: Calendar Items Heard is the number of Calendar items that have been heard by authenticated subscribers.
Counter Name: Calendar Late Attendance Description: Calendar Late Attendance is the number of messages that have been sent to inform the organizer of a meeting that the subscriber will be late.
Counter Name: Called Meeting Organizer Description: Called Meeting Organizer is the number of times subscribers called the meeting organizer.
Counter Name: Calls Disconnected by Callers During UM Audio Hourglass Description: Calls Disconnected by Callers During UM Audio Hourglass is the number of calls in which the caller disconnected while UM was playing the audio hourglass tones.
Counter Name: Calls Disconnected by UM on Irrecoverable External Error Description: Calls Disconnected by UM on Irrecoverable External Error is the total number of calls that have been disconnected after an irrecoverable external error occurred.
Counter Name: Contact Items Heard Description: Contact Items Heard is the number of times authenticated subscribers listened to directory details.
Counter Name: Contacts Accessed Description: Contacts Accessed is the number of times subscribers accessed the Main Menu Contacts option by using the telephone user interface.
Counter Name: Directory Accessed Description: Directory Accessed is the number of times subscribers accessed the Main Menu Directory option by using the telephone user interface.
Counter Name: Directory Accessed by Dial by Name Description: Directory Accessed by Dial by Name is the number of directory access operations where the subscriber used the Dial by Name feature.
Counter Name: Directory Accessed by Extension Description: Directory Accessed by Extension is the number of directory access operations in which the user supplied the extension number.
Counter Name: Directory Accessed by Spoken Name Description: Directory Accessed by Spoken Name is the number of directory access operations in which the subscriber spoke a recipient name.
Counter Name: Directory Accessed Successfully by Dial by Name Description: Directory Accessed Successfully by Dial by Name is the number of Dial by Name directory access operations that completed successfully on behalf of users.
Counter Name: Directory Accessed Successfully by Spoken Name Description: Directory Accessed Successfully by Spoken Name is the number of speech recognition directory access operations that completed successfully on behalf of subscribers.
Counter Name: Email Message Queue Accessed Description: Email Message Queue Accessed is the number of times subscribers accessed their e-mail message queue by using the telephone user interface.
Counter Name: Email Messages Deleted Description: Email Messages Deleted is the number of e-mail messages that were deleted by authenticated subscribers.
Counter Name: Email Messages Heard Description: Email Messages Heard is the number of e-mail messages that were heard by authenticated subscribers.
Counter Name: Forward Messages Sent Description: Forward Messages Sent is the number of messages that have been forwarded by authenticated subscribers.
Counter Name: Launched Calls Description: Launched Calls is the number of subscriber calls that resulted in an outbound call being placed.
Counter Name: Meetings Accepted Description: Meetings Accepted is the number of Meeting Accepted messages sent by subscribers.
Counter Name: Meetings Declined Description: Meetings Declined is the number of Meeting Declined messages sent by subscribers.
Counter Name: Protected Voice Messages Heard Description: Protected Voice Messages Heard is the number of protected voice messages played (all, or in part) to subscribers.
Counter Name: Protected Voice Messages Sent Description: Protected Voice Messages Sent is the number of protected voice messages sent by authenticated UM subscribers.
Counter Name: Replied to Organizer Description: Replied to Organizer is the number of times subscribers sent reply messages to meeting organizers.
Counter Name: Reply Messages Sent Description: Reply Messages Sent is the number of replies sent by authenticated subscribers.
Counter Name: Subscriber Authentication Failures Description: Subscriber Authentication Failures is the number of authentication failures that have occurred since the service was started. This number is incremented once for every failed authentication. It is possible that a single phone call could generate several authentication failures.
Counter Name: Subscriber Logon Failures Description: Subscriber Logon Failures is the number of logon failures since the service was started. This number is incremented at most once per phone call.
Counter Name: Subscriber Logons Description: Subscriber Logons is the number of successful authentications by UM subscribers since the service was started.
Counter Name: Voice Message Decryption Failures Description: Voice Message Decryption Failures is the total number of times that an attempt to decrypt a protected voice message failed.
Counter Name: Voice Message Protection Failures Description: Voice Message Protection Failures is the total number of interpersonal voice messages for which an attempt to apply protection failed.
Counter Name: Voice Message Queue Accessed Description: Voice Message Queue Accessed is the number of times subscribers accessed their voice message queues by using the telephone user interface.
Counter Name: Voice Messages Deleted Description: Voice Messages Deleted is the number of voice messages that were deleted by authenticated subscribers.
Counter Name: Voice Messages Heard Description: Voice Messages Heard is the number of voice messages played to subscribers. This count is incremented as soon as playback starts. The subscriber does not need to listen to the entire message.
Counter Name: Voice Messages Sent Description: Voice Messages Sent is the number of voice messages that have been sent by authenticated UM subscribers.