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Tehama Client Certificate Error on Windows 11 Desktop

  • Updated

 

If you are using a Windows 11 computer, you may run into a certificate error when trying to use a Tehama PCoIP Client. To resolve this certificate issue, install the Internet Security Research Group (ISRG) Root Certificate on your computer.

 

Note: Windows 11 support is expected to be officially supported in Q3 2022.

 

How to Install the Certificate

  • Download the certificate from the URL: https://letsencrypt.org/certs/isrgrootx1.der
  • Navigate to Downloads Folder (or the folder where the file is downloaded)
  • Right-click on the file isrgrootx1.der
  • Click on Install Certificate
  • Click on Open when prompted in the Open File - Security Warning Window
  • In the Certificate Window Wizard, leave Store Location as "Current User" (Default selection)
  • Click Next
  • Select "Automatically select the certificate store based on the type of certificate"
  • Click Next
  • Click Finish

Note: You can also download the certificate using the Certificate Download Link or Download the attached isrgrootx1.der certificate file.