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Rolling back an App-V server upgrade may result in clients receiving xxxxxx-xxxxxx0A-00002002 errors

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Symptoms

When connecting a Microsoft Application Virtualization (App-V) client version 4.5 or later to a legacy Softgrid server (i.e. one running a version prior to 4.5) you may get the following error:

The server will not allow a connection without valid NTLM credentials.

Please report the following error code to your System Administrator.

Error code: xxxxxx-xxxxxx 0A-00002002

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Cause

This can happen to your App-V 4.5 and 4.6 clients if they are connecting to App-V Management Server that has been rolled back through an uninstallation of App-V 4.5 and a reinstallation of an earlier version has occurred. This is caused by the presence of SPNs (Service Principal Names) that are not removed during an uninstallation of the App-V 4.5 Server. 

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Resolution

You can check for these SPN remnants by typing the command below

setspn -L hostname

-          Where hostname is the name of the Softgrid server.

The SPNs will have the following format:

-          Softgrid/Hostname

-          Softgrid/FQDN

If the SPNs are present, you can manually remove them using the SETSPN –D command.

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More Information

Softgrid servers prior to version 4.5 did not support Kerberos for authentication.

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Keywords: kb

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Article Info
Article ID : 2619454
Revision : 2
Created on : 3/27/2020
Published on : 3/27/2020
Exists online : False
Views : 500