DOCUMENT:Q206968  12-MAY-1999  [exchange]
TITLE   :XIMS: "Relay Not Allowed" After Installing Exchange 5.5 SP1
PRODUCT :Microsoft Exchange
PROD/VER:winnt:5.5
OPER/SYS:
KEYWORDS:kberrmsg

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The information in this article applies to:

 - Microsoft Exchange Server, version 5.5 
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SYMPTOMS
========

After changing from the "Reroute incoming SMTP mail" option to the "Do not
reroute SMTP mail" option on the Routing tab of the Microsoft Exchange Internet
Mail Service, you may receive a "Relay Not Allowed" non-delivery report (NDR)
message.

CAUSE
=====

The following registry key shows that the RelayFlags setting may be set to a
value of 2 or higher:

   HKEY_LOCAL_MACHINE\System\CCS\Services\MSExchangeIMC\Parameters

RESOLUTION
==========

 - Set the RelayFlags registry entry to 0, 1 or delete the entry altogether.

   -or-

 - Install Service Pack 1 (SP1), and configure the routing restrictions on the
   Routing tab of the Microsoft Exchange Internet Mail Service.

STATUS
======

Microsoft has confirmed this to be a problem in Microsoft Exchange Server 5.5.

MORE INFORMATION
================


For additional information, please see the following article in the Microsoft
Knowledge Base:

   Q179289 XFOR: Internet Mail Service May Not Start When Multiple Entries Are
   Used and RelayFlags

Additional query words:

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Keywords          : kberrmsg 
Technology        : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version           : winnt:5.5
Issue type        : kbbug
Solution Type     : kbnofix

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