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Kerberos Configuration Manager for SQL Server is available


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This article describes the Microsoft Kerberos Configuration Manager diagnostic tool for SQL Server. This tool is available for download from the Microsoft Download Center: 

Download Download the package now.

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About Kerberos Configuration Manager

The Kerberos Configuration Manager for SQL Server is a diagnostic tool that helps troubleshoot Kerberos related connectivity issues with SQL Server, SQL Server Reporting Services (SSRS), and SQL Server Analysis Services (SSAS). It can perform the following functions:

  • Collect information about operating system (OS), Microsoft SQL Server instances, and Always On Availability Group Listeners installed on a server.
  • Report all Service Principal Name (SPN) and delegation configurations on the server.
  • Identify potential problems in SPNs and delegations.
  • Fix potential SPN problems.

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More Information


This tool helps troubleshoot the following exceptions:
  • 401
    Note This error message is for http errors, SSRS errors, and some other similar errors.
  • Login failed for user 'NTAUTHORITY\ANONYMOUS'
  • Login failed for user '(null)'
  • Login failed for user ''
  • Cannot generate SSPI Context

For more information about Kerberos Configuration Manager, go to the following related blog:

SQL Server Release Services: Kerberos Config Tool

To Start the Tool:

  1. After the installation is complete successfully, double-click KerberosConfigMgr.exe to start the application.
  2. To troubleshoot the connectivity issue with SQL Server, connect to the destination computer by using a domain user account that has user permissions to that computer.
  3. To troubleshoot the connectivity issue with SSRS, connect to the destination computer by using a domain user account that has administrative permissions to that computer.


To Generate the SPN List from the Command Line:

  1. Go to the command line. (Note: To troubleshoot the connectivity issue with SSRS, start the command line window as administrator.)
  2. Switch to the folder where KerberosConfigMgr.exe is.
  3. Type KerberosConfigMgr.exe -q -l
  4. For more command-line option, type KerberosConfigMgr.exe -h


To Save a Server's Kerberos Configuration Information:

  1. Connect to the target windows server.
  2. Click the Save button on the toolbar.
  3. Specify the location where you want the file to be saved. It can be on a local drive or a network share.
  4. The file will be saved as the .XML format.


To View a Server's Kerberos Configuration Information from the Saved File:

  1. Click the Load button on the toolbar.
  2. Open the XML file generated by Kerberos Configuration Manager.


To Generate a Script to Fix the SPN from the Command Line:

  1. Click the Generate button for the SPN entry.
  2. The generated script can be used by a user who has permissions to fix the SPN on the server.


To See the Log Files for This Tool:

By default, one log file is generated every time that the application is run in the user's application data folder: %APPDATA%\Microsoft\KerberosConfigMgr.


To Get Help:

Option 1: Hover the pointer over the command for tooltip.

Option 2: Run KerberosConfigMgr.exe –h from the command line.

Option 3: Click the Help button in the toolbar.

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Keywords: kb, kbsurveynew, kbexpertiseadvanced, atdownload

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Article Info
Article ID : 2985455
Revision : 7
Created on : 11/21/2017
Published on : 11/21/2017
Exists online : False
Views : 465