Microsoft KB Archive/249349

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XADM: MTA Converts (a) to (040)a(041) in Message Tracking

Article ID: 249349

Article Last Modified on 10/26/2006


  • Microsoft Exchange Server 5.5 Service Pack 3

This article was previously published under Q249349


If you send a message to an Outlook contact or personal Address Book entry that contains an encapsulated RFC-822 address.

For example:

C=us;a= ;p=microsoft;o=msft;s=user;DDA:RFC-822=user(a)

you may find that the message tracking logs in the Microsoft Exchange Server Administrator program incorrectly show the (a) translated to (040)a(041). As a result, the above address appears as follows:

C=us;a= ;p=microsoft;o=msft;s=user;DDA:RFC-822=user(040)a(041)


The Exchange Server message transfer agent (MTA) is incorrectly translating the parentheses (), which are then written to the tracking log.


To resolve this problem, obtain the latest service pack for Exchange Server 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

191014 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack


Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5 SP3. This problem was first corrected in Exchange Server 5.5 Service Pack 4.

Keywords: kbbug kbexchange550presp4fix kbexchange550sp4fix kbfix kbqfe KB249349