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DC で SMB3 暗号化が有効になっている場合、 SVM は DC に接続できません

に適用されます

  •   ONTAP 9

問題

  • DC で SMB3 暗号化が有効になっている場合、 SVM は DC に接続できません。 
  • DC のステータスが「 unavailable 」と表示される  
::*> vserver cifs domain discovered-servers show
Node: CDOT-01
Vserver: test
 
Domain Name   Type   Preference DC-Name     DC-Address    Status
--------------- -------- ---------- --------------- --------------- ---------
naslab.local   KERBEROS favored   rodc       10.216.41.192  undetermined
naslab.local   KERBEROS preferred  win-aesid9bf636 10.216.41.191  undetermined
naslab.local   KERBEROS preferred  win-m2fcklun4l2 10.216.41.190  undetermined
naslab.local   MS-LDAP  favored   RODC       10.216.41.192  undetermined
naslab.local   MS-LDAP  preferred  win-aesid9bf636 10.216.41.191  undetermined
naslab.local   MS-LDAP  preferred  win-m2fcklun4l2 10.216.41.190  undetermined
naslab.local   MS-DC   favored   rodc       10.216.41.192  undetermined
naslab.local   MS-DC   preferred  win-aesid9bf636 10.216.41.191  OK
naslab.local   MS-DC   preferred win-m2fcklun4l2 10.216.41.190  unavailable  <<<<<<<<<< SVM fails to connect.
 
  • SE次元 トレースを有効にした場合、 SVM からのセッションセットアップ要求で、「アクセスが拒否されました」( NT エラー 0xc0000022 )が発生したことが SVM からのセッションセットアップ要求で DC で失敗したことを示します。
 
00000009.00144add 0aac4c3c Tue Apr 14 2020 15:46:28 +05:30 [kern_secd:info:8039] | [001.556.907]  info :  Successfully connected to ip 10.216.41.190, port 445 using TCP { in _connect() at src/connection_manager/secd_connection_shim.cpp:317 }
00000009.00144ade 0aac4c3c Tue Apr 14 2020 15:46:28 +05:30 [kern_secd:info:8039] | [001.558.049]  debug:  NEGOTIATE RESPONSE: DC selected SMB2/3 dialect 0x210  { in Smb2ParseNegotiateResponse() at src/Smb2/Smb2Negotiate.cpp:211 }
00000009.00144adf 0aac4c3c Tue Apr 14 2020 15:46:28 +05:30 [kern_secd:info:8039] | [001.558.055]  debug:  SIGNING: DC REQUIRES signing  { in Smb2ParseNegotiateResponse() at src/Smb2/Smb2Negotiate.cpp:216 }
00000009.00144ae4 0aac4c3c Tue Apr 14 2020 15:46:28 +05:30 [kern_secd:info:8039] | [001.560.847]  info :  [krb5 context 10EEC600] Creating authenticator for TEST123$@NASLAB.LOCAL -> cifs/win-m2fcklun4l2.naslab.local@, seqnum 62567361, subkey aes256-cts/3FC8, session key aes256-cts/32F1
00000009.00144ae5 0aac4c3c Tue Apr 14 2020 15:46:28 +05:30 [kern_secd:info:8039] | [001.565.821] ERR  :  Encountered NT error (NT_STATUS_ACCESS_DENIED) for SMB command SessionSetup { in LogNtStatusCode() at src/Commands/Commands.cpp:448 }
00000009.00144ae6 0aac4c3c Tue Apr 14 2020 15:46:28 +05:30 [kern_secd:info:8039] | [001.565.834] ERR  :  SMB2 response has NT error 0xc0000022  { in ParseSmb2HeaderResponse() at src/Smb2/Smb2Utils.cpp:313 }
00000009.00144ae7 0aac4c3c Tue Apr 14 2020 15:46:28 +05:30 [kern_secd:info:8039] | [001.565.847]  ERR  :  RESULT_ERROR_GENERAL_FAILURE:3 in Smb2ParseSessionSetupResponse() at src/Smb2/Smb2SessionSetup.cpp:184
00000009.00144ae8 0aac4c3f Tue Apr 14 2020 15:46:28 +05:30 [kern_secd:info:8039] | [001.565.854]  ERR  :  RESULT_ERROR_GENERAL_FAILURE:3 in Smb2SessionSetup() at src/Smb2/Smb2SessionSetup.cpp:275
00000009.00144ae9 0aac4c3f Tue Apr 14 2020 15:46:28 +05:30 [kern_secd:info:8039] | [001.565.861]  ERR  :  RESULT_ERROR_GENERAL_FAILURE:3 in LogOnUserExtBody() at src/Actions/ActionsONTAP.cpp:2468
00000009.00144aea 0aac4c3f Tue Apr 14 2020 15:46:28 +05:30 [kern_secd:info:8039] | [001.567.323]  ERR  :  RESULT_ERROR_SECD_NO_CONNECTIONS_AVAILABLE:6942 in connectToDomainController() at src/connection_manager/secd_connection.cpp:246
00000009.00144aeb 0aac4c3f Tue Apr 14 2020 15:46:28 +05:30 [kern_secd:info:8039] | [001.567.333]  debug: Connected but failed to authenticate with DC win-m2fcklun4l2.naslab.local  { in connectToDomainController() at src/connection_manager/secd_connection.cpp:262 }
 
  • DC で SMB3 暗号化が有効になっている
 
PS C:\Users\Administrator.NASLAB> Get-SmbServerConfiguration |findstr "EncryptData"
EncryptData            : True

 

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