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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > CLR types missing during installation of NPM

CLR types missing during installation of NPM

Created by Craig Healy, last modified by MindTouch on Jun 23, 2016

Views: 1,926 Votes: 1 Revisions: 7


This article describes the issue when you receive an error message that CLR types missing during installation of NPM.

Setup is missing an installation prerequisite Microsoft SQL server 2008 System CLR Type 



  • NPM version 11.5.3
  • MS SQL 2012


This issue occurs when the Legacy CLR types are shown in Control panel but is running the later version of SQL server.


  1. Download SQL CLR 2008 from the Microsoft website. 
  2. Install both 32 and 64 bit versions.
  3. Reboot the application server.
  4. Confirm in Programs and Features that the CLR type is installed  (either version 2008 or 2012).
  5. Re-run the Orion installer.


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Alternatively try the below steps : 


Note: It is recommended to install the x64 and x86 versions for CLR Types and CLR Types 2008 as this is important to the process.

  1. Run the installer until it gets to the first screen. This unpacks all the sub-installers.
  2. Open a CMD prompt
  3. Type cd %TEMP%.
    The installer unpacks to where the temp folder is located For example, C:\windows\temp\and C:\Users\your-username\AppData\Local\Temp.
  4. Go to SWOrionSetup\SubInstallers.
  5. Look for the following Microsoft SQL Types directories:
    1. Microsoft SQL Server System CLR Types
    2. Microsoft SQL Server System CLR Types 2008
      Note:  This may be under SWOrionSetup\SubInstallers and the Core folder that contains a version number.
  6. In each of these directories, go into both the x86 and x64 sub-directories and run the installer.
  7. If prompted with the Repair or Remove option, select Remove.
    Rerun the installer.
    Otherwise, just run the installer.




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