You have a Windows Service running in the context of an account that acts as a nonprivileged user on the local computer. The account presents anonymous credentials to any
remote server.
What is the security context of the Windows Service?
A.
LocalSystem
B.
User
C.
NetworkService
D.
LocalService
should be localservice
LocalService
https://msdn.microsoft.com/ru-ru/library/0x72fzyf(v=vs.110).aspx
Or try this link in English https://docs.microsoft.com/en-us/dotnet/framework/windows-services/how-to-specify-the-security-context-for-services