Restrict Anonymous registry value (Peer to Peer Network Access)

Resolution :
 
Start >> Run >> Regedit
HKEY_LOCAL_MACHINE >> SYSTEM >> CurrentControlSet >> Control >> LSA
Value: RestrictAnonymous
Value Type: REG_DWORD
Value Data: 0x2 (Hex)

Restart the computer after any change to the RestrictAnonymous key in the registry.