XCON: Per-Domain-Bilateral-Info and 3rdParty Systems

 Last reviewed: June 16, 1997
Article ID: Q157358
The information in this article applies to:
  • Microsoft Exchange Server, version 4.0

SUMMARY

By default, Microsoft Exchange Server sends Per-Domain-Bilateral- Info as an argument in each message that it submits for delivery via the Microsoft Exchange X.400 Connector.

Interoperability between Microsoft Exchange and certain foreign X.400 systems (some ISODE-based Message Transfer Agents in particular) might require Microsoft Exchange to be configured so that bilateral information is not sent with messages.

STATUS

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 4.0. This problem was corrected in Microsoft Exchange Service Pack 3. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces): 

   S E R V P A C K

MORE INFORMATION

This ability can be configured via the Windows NT Registry as follows:

  1. Start Regedt32.exe.
2. Go to HKEY_LOCAL_MACHINE\SYSTEM\CURRENTCONTROLSET\SERVICES 
                           \MSExchangeMTA\Parameters
3. Add a value name (i.e. click on Edit-Add Value with the Parameters 
   folder highlighted) called "Do not generate Bilateral Info" as
   type REG_DWORD and a hex value of 1. Important: This is case-sensitive
   and must be typed exactly as it is printed here:

      value 0x1 (0 is the default).
To avoid the loop detection, when a message enters new Microsoft Exchange Site, the MTA adds Per Domain Bilateral Information to the P1 Envelope to indicate the names of the Sites the message has passed through. During the loop detection, if the message reenters a Site, we check this mandatory Bilateral info to generate an NDR. Some 3rd party MTAs do not understand the mandatory Bilateral information, hence the registry key.

MORE INFORMATION

For additional information regarding the Per-domain-bilateral-information argument, please refer to the CCITT Blue Book, Rec. x.411, Clause 12.2.1.1.1.2.

Additional query words: BIlateral domain registry
Keywords : kb3rdparty kbbug4.00 kbfix4.00.sp3 kbusage XCON
Version : 4.0
Platform : WINDOWS

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Last reviewed: June 16, 1997
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