The Server Manager wizard provides information of installed roles and features in Windows Server 2012 R2. This Server Manager wizard will be automatically launched at logon when you login to server. You might not need Server Manager to automatically be displayed after each logon to server, you can disable this behavior by setting the option “Do not show me this console at logon” in Server Manager itself.
- Open the Server Manager
- Click on Manage
- Click on Server Manager Properties
- in the popup check box Do Not Start Server Manager automatically at logon
- Click OK