Directory Access Protocol (LDAP): Specified in [RFC2251]. Used
for communication with the Group Policy server to obtain GPO
access services: As described in [MS-FASOD].
The Windows platform chooses an SMB file access
protocol to remotely access the Group Policy file share
and obtain user policy information, computer policy information, and GPO
Used for authentication and authorization. See [MS-GPOL]
for the authentication protocols that the Group Policy protocols support.