Troubleshooting Outlook Web Access logon Failures
When the user tries to log on to Microsoft Exchange server 2003 or the 2000 server mailbox from Microsoft Outlook Web Access, the logon functionality will fail. The user receives some error messages like "Page cannot be displayed", "Error: Access denied", and "You are not authorized to view this page". You do not have seek permission to view this directory or page using the credentials you have supplied. HTTP 401.1 - Unauthorized: Logon Failed’ etc. All the above cases prevent the user from accessing the tool. Sometimes, the logon procedure works and the user can enter the web access page. But the user is prompted to provide the details even after logging on to the platform. The user again experiences difficulties in relation to the log-in issue if the they click on the 'Cancel' button with the login option. The error which shows that login has failed will appear. The user should also provide the username in the domain/alias format. The logon problems with Microsoft Outlook Web Access are also specific to the browsers since some browsers like Netscape allow the access and others don't. Sometimes, even after providing the correct details, the Web Access does not load. If incorrect details are provided while logging in, the users with no permission to access the OWA also experience the issue.
Discussed below are some ways to troubleshoot the logon failures in the OWA:
- Modifying the authentication method in Exchange 2000
- Modifying the authentication method in Exchange 2003
- Tips to assign the correct permissions
Modifying the Authentication Method in Exchange 2000
Click the 'Start' option and choose 'Administrative tools' from the 'All programs' option. Then click on the 'Internet services manager' option and expand the default website that appears. Right click on 'Exchweb' and select the 'Properties' option. Then choose the 'Directory security' tab and choose the 'Edit' option in the anonymous access and authentication control. From the option present, only select the anonymous access check box and be sure that the basic authentication and the integrated Windows authentication are not checked. Click the 'Ok' button twice and right click on the 'Default website' option. Click 'Stop' and then click on 'Start'.
Modifying the Authentication Method in Exchange 2003
Click on the 'Start menu' and choose the 'Internet Information Services manager' from 'Administrative tools'. Then click on the website option and expand the default website. Then right click on the 'Exchweb' option there and select the 'Properties' option. Then follow the above- mentioned steps used in Exchange 2000 server for modifying the authentication methods. Stop and then start the web and exit the platform.
Tips to Assign the Correct Permissions
Open the 'Windows explorer', search for the 'Exchsrvr/Exchweb' folder and then right click on the option. Select the 'Properties' option and choose the 'Security' tab. Then check whether the authenticated users possess permissions like the read and execute, list folder contents and the read. Also verify whether the system account has full control permission upon the Exchweb folder. Repeat the above steps for the following directories as well - The directories are WinntSystem32, WinntSystem32Inetsrv, WinntSystem32Wbem, ExchsrvrBin, and ExchsrvrRES.
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