Microsoft KB Archive/259044

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XCON: Exchange 2000 RC1 MTA May Not Pull Messages from Exchange Server 5.5 Computers

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Q259044

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The information in this article applies to:


 * Microsoft Exchange 2000 Server

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SYMPTOMS
The Exchange 2000 Server Release Candidate 1 (RC1) Message Transfer Agent (MTA) may experience difficulties when communicating with Microsoft Exchange Server 5.5 Service Pack 3 (SP3) computers that are in the same site. Messages queued from Exchange 2000 servers that are bound for Exchange Server 5.5 SP3 computers are delivered immediately but messages bound for Exchange 2000 servers remain queued on Exchange Server 5.5 SP3 computers until the Exchange 2000 MTA initiates a connection to an Exchange Server 5.5 SP3 computer.

The Exchange Server 5.5 SP3 MTA logs Event 9322, which states that remote procedure call (RPC) bindback has not worked. The Exchange 2000 MTA correspondingly logs Event 9318 for these failed communications.

CAUSE
The Exchange 2000 MTA is not accurately detecting whether or not the Exchange 2000 server and Exchange Server 5.5 SP3 computers are all in the same site. The Exchange 2000 MTA attempts to search unrelated connectors' override pages, and incorrectly grabs credentials for other connectors to attempt RPC bindback authentication. The result is that the Exchange 2000 MTA cannot accept an incoming RPC bind requests from an Exchange Server 5.5 SP3 computer in the same site because the MTA is sending incorrect credentials.

RESOLUTION
A supported fix is now available from Microsoft, but it is only intended to correct the problem described in this article and should be applied only to systems experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/directory/overview.asp

NOTE: In special cases, charges that are normally incurred for support calls may be canceled, if a Microsoft Support Professional determines that a specific update will resolve your problem. Normal support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:

  File name       Version --  Emsmta.exe     6.0.4209.5

STATUS
Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article.

Additional query words:

Keywords :

Issue type : kbbug

Technology :