Microsoft KB Archive/187799

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FIX: ERR Msg: Failed to Perform MAPI Logon

Article ID: 187799

Article Last Modified on 3/19/2004



APPLIES TO

  • Microsoft Collaboration Data Objects 1.21
  • Microsoft Collaboration Data Objects 1.1
  • Microsoft Collaboration Data Objects 1.2
  • Microsoft Exchange Server 5.5 Standard Edition



This article was previously published under Q187799

SYMPTOMS

When you attempt to log into the Outlook Web Access client using an SMTP recipient address and specify the full SMTP address in the login box, the following error may occur:

Failed to Perform MAPI Logon.

Attempting to login a second time with this SMTP address may cause the Internet Information Server (IIS) or Outlook Web Access (OWA) server to crash.

CAUSE

The MAPI and Collaboration Data Objects (CDO) profile names constructed from the input SMTP address exceed the maximum characters allowed. This only occurs with an extremely long SMTP name such as the one shown below, where the Username is followed by the site, org and .com:

exlistuser@extremely.extralong.microsoft.com


STATUS

Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article. This problem has been corrected in the latest U.S. service pack for Microsoft Exchange Server version 5.5. 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



Additional query words: kbDSupport kbdse

Keywords: kbbug kbfix kbqfe KB187799