Adjacent MTA Associations The number of open associations of MTA with other MTAs. The value format is a 4-byte integer.
Admin Connections The number of Microsoft Exchange administrator programs connected to the MTA. The value format is a 4-byte integer.
Deferred Delivery Msgs The number of messages in the deferred queue at the time the sample is taken. When many messages are sent to users who are no longer mailbox-enabled, the messages are deferred every half hour and can accumulate in large numbers. The messages are constantly cycled through the information store and back to the deferred delivery queue. The value format is a 4-byte integer.
Disk File Deletes/Sec The rate of disk files that are deleted. The value format is a 4-byte float.
Disk File Opens/Sec The rate of disk files that are opened. The value format is a 4-byte float.
Disk File Reads/Sec The rate of the disk file read operation. The value format is a 4-byte float.
Disk File Syncs/Sec The rate of disk files that are synchronized. The value format is a 4-byte float.
Disk File Writes/Sec The rate of the disk file write operation. The value format is a 4-byte float.
Inbound KB Total The total number of KB received by the MTA Service since MTA initialization. The value format is a 4-byte integer.
Inbound Messages Total The total number of messages received since MTA initialization. The value format is a 4-byte integer.
LAN Receive Bytes per Sec The number of times that bytes are received over a LAN from MTAs per second since the server was started. The value format is a decimal.
LAN Transmit Bytes per Sec The number of times that bytes are transmitted over a LAN to MTAs per second since the server was started. The value format is a decimal.
Message Bytes/Sec The rate at which message bytes are processed. The value format is a 4-byte float.
Messages per Sec The number of times that messages are processed by MTA per second since the server was started. The value format is a decimal.
Outbound KB Total The total number of KB sent by the MTA Service since MTA initialization since the server was started. The value format is a 4-byte integer.
Outbound Messages Total The total number of messages transmitted since MTA initialization. The value format is a 4-byte integer.
System Name The key for the table view in the format hostname: EX. This character string provides a unique identifier for each server across an enterprise. The value is alphanumeric with a maximum of 64 characters.
Threads in Use The number of threads that are in use by the MTA. This number does not include RPC threads. The number can be used to determine whether additional processors are of benefit. The value format is a 4-byte integer.
Total Recipients Inbound The total number of recipients inbound since MTA initialization. This value reflects the number of messages generated for inbound recipients. The value format is a 4-byte integer.
Total Recipients Outbound The total number of recipients outbound since MTA initialization. This value reflects the number of messages generated for outbound recipients. The value format is a 4-byte integer.
Total Recipients Queued The total number of recipients queued to be processed by the MTA Service at the time the sample was taken since the server was started. This value reflects the number of messages generated for inbound and outbound recipients. The value format is a 4-byte integer.
Work Queue Bytes (MB) The total volume of messages (in MB) stored in the MTA. The value format is a 4-byte float.
Work Queue Length The number of outstanding messages in the Work Queue, which indicates the number of messages not yet processed to completion by the MTA. The value format is a 4-byte integer.