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Allow FMP URL for WebView2 and skip dialog

You saw the following dialog in FileMaker 19.3?

You can use the checkbox, but it's not permanent. To make it permanent, you need to use regedit and edit the registry:
  • Go to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft
  • Create new key "Edge" if it is missing
  • Inside Edge, create a new "WebView2" key.
  • Inside WebView2, please create a new string value named "AutoLaunchProtocolsFromOrigins" with this value: [{"allowed_origins":["*"],"protocol":"fmp"}]
  • Exit Regedit and start FileMaker Pro to check if fmp URL works now.
Sadly we can't do those commands with our plugin as it needs to happen with administrator permissions. It should then look like this in RegEdit:

If you automatically install FileMaker, you may do this via command line with a script or regedit import file.
Let us know if you have questions.
24 06 21 - 22:23