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After upgrade to Configuration Manager 2211, MicrosoftPolicyPlatformSetup.msi won't install
After upgrading to Configuration Manager 2211, manual client installations invoked from <servername>\c$\Microsoft Configuration Manager\Client\CCMSetup.exe fail at the point of installing the Microso...
I'm glad to hear that the workaround is effective. Today, I'm going to try upgrading the ECM client on some PCs that have a slightly older client version and see which ones upgrade successfully. From your experience, it sounds like at least 2203 and 2207 clients can upgrade in place without first manually installing MicrosoftPolicyPlatformSetup.msi.
Yes, it would be interesting to see from which version the problem actually occurs. Granted, 2012 R2 and CB1511 are really old, but I still can't see a logical reason for why such a small msi with no really magical functionality should break like this. Looking forward to your findings. 🙂