How to Troubleshoot Errors that Occur When Connectivity Test Cmdlets Are Run on a 32-Bit Version of Windows XP

Exchange 2007

Microsoft Exchange Server 2007 will reach end of support on April 11, 2017. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.

 

Topic Last Modified: 2016-11-10

This topic describes how to troubleshoot error messages that occur when you run cmdlets to test connectivity to Microsoft Exchange Server 2007 on a computer that is running a 32-bit version of Windows XP.

Test cmdlets test specific Exchange 2007 components and provide log files that you can examine. When you try to run test cmdlets on a 32-bit version of Windows XP, you receive one of the following error messages:

 

[PS] C:\>Test-OwaConnectivity -ClientAccessServer CASServer.Domain.com -MailboxServer MBXServer.Domain.com

WARNING: Test user 'User_Name' cannot be accessed. Therefore, this cmdlet will be unable to test Mailbox server 'MBXServer.Domain.com'.

Test-OwaConnectivity : Could not find or log on with user Domain.com\User_Name. If this task is being run without credentials, log on as a Domain Administrator, and then run the new-TestCasConnectivityUser.ps1 to verify that the user exists on Mailbox server MBXServer.Domain.com

At line:1 char:21

+ Test-OwaConnectivity <<<< -ClientAccessServer CASServer.Domain.com -MailboxServer MBXServer.Domain.com

WARNING: No Client Access servers were tested.

 

[PS] C:\>Test-ActiveSyncConnectivity -ClientAccessServer CASServer.Domain.com -MailboxServer MBXServer.Domain.com

WARNING: Test user 'CAS_5323d9a976d24a77' cannot be accessed. Therefore, this cmdlet will be unable to test Mailbox server 'MBXServer.Domain.com'.

Test-ActiveSyncConnectivity : Could not find or log on with user Domain.com\CAS_5323d9a976d24a77. If this task is being run without credentials, log on as a Domain Administrator, and then run the new-TestCasConnectivityUser.ps1 to verify that the user exists on Mailbox server MBXServer.Domain.com

At line:1 char:28

+ Test-ActiveSyncConnectivity <<<< -ClientAccessServer CASServer.Domain.com -MailboxServer MBXServer.Domain.com

WARNING: No Client Access servers were tested.

This error occurs because the 32-bit version of Windows XP does not use the KERB_S4U_LOGON structure. The KERB_S4U_LOGON structure is called by the LSALogonUser function when a user credential is not passed to the server. This error does not occur on computers that are running the 64-bit version of Windows XP.

For more information about the KERB_S4U_LOGON structure, see KERB_S4U_LOGON Structure.

 

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