SVM has lost connectivity to domain controller
Applies to
- ONTAP 9
- Microsoft Active Directory domain controller (DC)
Issue
- A functioning SVM lost connectivity to domain controller with no changes to ONTAP
- Logs show the following error:
Encountered NT error (NT_STATUS_ACCESS_DENIED) for SMB command SessionSetup
Example:
info : Successfully connected to ip 1.1.1.1, port 445 using TCP { in _connect() at src/connection_manager/secd_connection_shim.cpp:497 }
debug: NEGOTIATE RESPONSE: DC selected SMB2/3 dialect 0x210 { in Smb2ParseNegotiateResponse() at src/Smb2/Smb2Negotiate.cpp:234 }
ERR : Encountered NT error (NT_STATUS_ACCESS_DENIED) for SMB command SessionSetup { in LogNtStatusCode() at src/Commands/Commands.cpp:444 }
ERR : SMB2 response has NT error 0xc0000022 { in ParseSmb2HeaderResponse() at src/Smb2/Smb2Utils.cpp:497 }