This video shows how to identify and repair OPC/DCOM error 080070422.


  • Open “This Computer” and browse available OPC Servers
  • Identify Error 0x80070422 in the event window
  • On the top ribbon, select Tools and open the Options window
  • Check “”Enable essential OPC features”
  • Uncheck “Enable essential OPC features”
  • Check “Enable essential OPC features”
  • Right click “This Computer” and select “Rebrowse”
  • Browsing computer works. OPC Expert repaired error 0x80070422

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