I have a .NET application which connects to a Web Service. Application pool for the Web service works under Network Services account. Everything was working fine till yesterday and somehow it started giving error today. When I changed the application pool account from Network Services to an Admin level account, everything started working fine.
As far as I know, Network Services account has top level privilage on the local system.
My question is, can Network Services account lose its permissions? If yes, how to give those permissions back again?