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CIFS環境でRODCを使用してKerberos通信が機能しない

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Category:
ontap-9
Specialty:
nas<a>2009370903.</a>
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環境

  • NetApp ONTAP 9
  • CIFS
  • Domain Controller(DC;ドメイン コントローラ)
    • ReadOnlyDC(RODC)
    • ReadWriteDC(RWDC)
  • Kerberos
  • 非武装地帯(DMZ)

問題

RODCのみを使用するCIFS環境でKerberos通信が機能しない

secd: secd.unexpectedFailure:debug: vserver (<vserver>) Unexpected failure. Error: Lookup of CIFS account SID procedure failed
Successfully connected to ip <rodc>, port 445 using TCP
Improper format of Kerberos configuration file (KRB5_CONFIG_BADFORMAT)
Failed to initiate Kerberos authentication. Trying NTLM.
Encountered NT error (NT_STATUS_MORE_PROCESSING_REQUIRED) for SMB command SessionSetup
Successfully authenticated with DC <rodc>
Could not find Windows SID '<sid>'
FAILURE: SID lookup failed 

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