The Subscription Settings service and corresponding application and proxy needs to be running in order to make changes to these settings.

If you are getting the above error after following all the steps from internet to create an APP and still not able to create it on your share point. You are at the right place because I also had the same problem. Solution is given as under: $manaccount = Get-SPManagedAccount SPS-2012\Administrator Remove-SPServiceApplicationPool -Identity SettingsServiceAppPool $appPoolService = …

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