Web Platform installer: PHP manager for IIS failed on server 2016, error 1603

Web Platform installer: PHP manager for IIS failed on server 2016, error 1603

Error message: “CustomAction VSDCA_VsdLaunchConditions returned actual error code 1603”

 

Solution:
1. Install .net 3.5
2. Change this registry key:

to value 9 instead of 10

3. open Web Platform installer to reinstall php manager for iis this time it should work

4. set MajorVersion back to 10 again

Sources:
https://stackoverflow.com/questions/36985999/php-manager-iis-fails-to-install-windows-10
https://answers.microsoft.com/en-us/windows/forum/windows_10-other_settings/php-manager-for-iis-on-windows-10/33ef32f0-6a86-4803-abc1-6de81110f9a8

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