DOCUMENT:Q170637 24-APR-2000 [exchange] TITLE :XCLN: Error Message: Unable to Open Your Default Mail Folder PRODUCT :Microsoft Exchange PROD/VER:WINDOWS:4.0,5.0; :8.01,8.02,8.03,8.04 OPER/SYS: KEYWORDS:win95 ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Windows NT client, versions 4.0, 5.0 - Microsoft Exchange Windows 95/98 client, versions 4.0, 5.0 - Microsoft Outlook 97, versions 8.01, 8.02, 8.03, 8.04 - Microsoft Outlook 98 ------------------------------------------------------------------------------- SYMPTOMS ======== When starting the Microsoft Exchange Client or Microsoft Outlook, the following message may be displayed: Unable to open your default mail folders. You do not have permission to log on. [OK] Outlook will also display the following message: Would you like to open your default File System folder instead? [Yes] [No] Clicking OK in the Exchange Client or OK and No in Outlook will return you to the desktop. Clicking OK and Yes in Outlook will open empty system mail folders. CAUSE ===== The logon credentials of the Exchange Client or Outlook are different from the logon credentials of the user logged into the workstation. RESOLUTION ========== Log off of the workstation and log back on with the same user credentials as the Exchange Client or Outlook. -OR- 1. Remove Named Pipes from the Exchange binding order. See the following Knowledge Base article for more information on this topic. Q163576 XGEN: Changing the RPC Binding Order -AND- 2. After removing Named Pipes from the Exchange binding order, from Control Panel, double-click Mail. On the Services tab, click Show Profiles, then click Properties for the profile, then Properties for Exchange Server service. On the Advanced tab, clear the Use Network Security during Logon option. This will prevent the Exchange Client from using the cached credentials used to log into the workstation initially. NOTE: If Named Pipes is listed in the Exchange Client binding order as the primary protocol, the logon credentials will be used regardless of the Use Network Security setting. This is documented in the following Knowledge Base article: Q146188 XCLN: Use Network Security Option Not Working as Expected Additional query words: 8.5 ====================================================================== Keywords : win95 Technology : kbOutlookSearch kbExchangeSearch kbExchangeClientSearch kbZNotKeyword kbZNotKeyword2 kbOutlook97Search kbOutlook98Search kbZNotKeyword3 kbOutlook801 kbOutlook802 kbOutlook803 kbOutlook804 kbExchange400NT kbExchange500NT kbExchange400Win95 kbExchange500Win95 Version : WINDOWS:4.0,5.0; :8.01,8.02,8.03,8.04 Issue type : kbprb ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2000.