permissions
needed to administrate SharePoint Server
The below are the permissions that
required to user to administer the SharePoint farm.
1.
Local Administrator rights
2.
Farm Administrator rights
3.
Shell Administrator rights
Local
Administrator rights are required in order to work with objects that require
that right (such as creating IIS sites or importing the
Microsoft.SharePoint.Powershell module).
Farm
Administrator rights are required to perform various functions on the farm.
Various APIs within SharePoint have an explicit farm administrator rights
check.
Shell
Administrator rights gives you additional rights on the databases in use by the
farm so you can operate directly against them (working with databases via
Central Administration is done via the Farm Admin account).
I hope the above information will help you to resolve the issue, in case of any queries/questions regarding the above mentioned information then please let me know. I would be more than happy to help you as well as resolves your issues, Thank you.