Login failed for user 'IIS APPPOOL/EPMAppPool'

Problem

When opening Control Center, you get the error:

Cannot open database "NiceAN" requested by the login. The login failed. Login failed for user 'IIS APPPOOL/EPMAppPool'.

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The user 'IIS APPPOOL/EPMAppPool' is set correctly.

Solution

Open the Services console and make sure that Netlogon service is running.

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