The Messages queued for submission performance counter of the Microsoft Exchange Server information store (MsExchangeIS) mailbox displays the current number of submitted messages that are waiting to be processed by transport. In some cases, the value of Messages queued for submission is never set to zero on a Microsoft Exchange Server 2007 mailbox server, even when there are no messages in the queue.
This issue occurs when there is an exception during message submission. This blocks the Messages queued for submission performance counter from being updated correctly.
To resolve this issue, download and install Update Rollup 2 for Exchange Server 2007 Service Pack 2.
The following list contains prerequisites for the update rollup:
You must have Exchange Server 2007 Service Pack 2 installed to install this update rollup. For more information about how to obtain the latest Exchange Server 2007 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
937052 How to obtain the latest service pack or update rollup for Exchange 2007
For more information about Update Rollup 2, click the following article number to view the article in the Microsoft Knowledge Base:
972076 Description of Update Rollup 2 for Microsoft Exchange 2007 Service Pack 2