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FPolicy servers fail to authenticate due to CVE-2022-38023

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Category:
ontap-9
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NAS
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Applies to

  • ONTAP 9
  • FPolicy
  • RPC_NETLOGON
  • CVE-2022-38023

Issue

FPolicy servers unable to communicate to ONTAP after Microsoft Domain Controller Update; enforcing seal for RPC_NETLOGON pipe
 
Example EMS log seen:
[CLUSTER01-01: secd: secd.strong.auth.required:alert]: Stronger authentication enforced by LDAP server for Vserver VSV-001.
4/25/2023 10:14:51  CLUSTER01-01   ERROR         secd.cifsAuth.problem: vserver (VSV-001) General CIFS authentication problem. Error: User authentication procedure failed (Retries: 2)
CIFS SMB2 Share mapping - Client Ip = 10.2.1.13
**[    64] Attempt 1 FAILURE: Unexpected state: Error 6756 at file:src/FrameWork/ClientInfo.cpp func:RemoveAllSharesFromGlobalSession line:4025
**[    64] Attempt 1 FAILURE: Pass-through authentication failed. (Status: 0xC000005E)
**[   110] Attempt 2 FAILURE: Unexpected state: Error 6756 at file:src/FrameWork/ClientInfo.cpp func:RemoveAllSharesFromGlobalSession line:4025
**[   110] Attempt 2 FAILURE: Pass-through authentication failed. (Status: 0xC000005E)

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