Article: Q293218
Product(s): Microsoft Exchange
Version(s): 5.5
Operating System(s):
Keyword(s):
Last Modified: 23-OCT-2001
-------------------------------------------------------------------------------
The information in this article applies to:
- Microsoft Outlook Web Access, version 5.5
- Microsoft Exchange Server, version 5.5
-------------------------------------------------------------------------------
SYMPTOMS
========
When you try to log on to Outlook Web Access (OWA), you may receive the
following error message in you browser:
Internal error: failed to create MAPI.Session.
When you click OK, you return to the OWA logon page.
CAUSE
=====
This issue can occur if the Cdo.dll Collaboration Data Objects library is not
properly registered.
RESOLUTION
==========
To resolve this issue, reregister the Cdo.dll library by typing the following
syntax at a command prompt:
"regsvr32 c:\winnt\system32\cdo.dll" (without the quotation marks)
After you run this command, you receive the following confirmation message from
RegSvr32:
DllRegisterServer in Cdo.dll succeeded
Additional query words: logon.asp Active Server Pages internal error mapi.session
======================================================================
Keywords :
Technology : kbOutlookSearch kbExchangeSearch kbExchange550 kbZNotKeyword2 kbOWASearch kbOWA550
Version : :5.5
Issue type : kbprb
=============================================================================