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"Could not instantiate script engine." while opening Site Manager in MCMS

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  • Site Manager call the https:///NR/ClientUI/login.asp page.(if you right click on the site Manager -> properties, you will see the login url and NRClient.exe path) and got the the error message "Could not instantiate the script engine"
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  • Checked the IIS logs and saw the error message 403.6 error message "IP Address of the client has been rejected"
  • In IIS when we right click ClientUI folder and go to "Directory Security" Tab
  • Then "IP Address and Domain Name restriction"'s  Edit button and added 127.0.0.1. 
  • Error message 403.6 error message "IP Address of the client has been rejected" has been resolved.
  • Browsed the HTML & ASPX pages and they rendered.
  • login.asp page will fail with the same error.
  • Run the command :- c:\Inetpub\Adminscripts>  cscript synciwam.vbs /v

    CScript Error: Can't find script engine "VBScript" for script "synciwam.vbs".

  • Register the VBscript.dll with the following command :-
  • c:\windows\sytem32> regsvr32 vbscript.dll