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CIFS share inaccessible after disabling RC4 on filer and DC

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295
Visibility:
Public
Votes:
0
Category:
data-ontap-8
Specialty:
cifs
Last Updated:

Applies to

Data ONTAP 7-Mode

Issue

  • CIFS share is inaccessible after disabling RC4 encryption on 7-Mode and the Domain controller.
> options rc4.enable off
  • The event log shows 0x96c73a0e error:KDC has no support for encryption type
Sun Apr 12 11:35:58 CEST [VFILER0@node1:cifs.ldap.processing:warning]: LDAP: Could not update NetBios to FQN domain name mappings. Error 80: Unknown error
Sun Apr 12 11:35:58 CEST [VFILER0@node1:cifs.trace.GSS:error]: AUTH: Unable to acquire filer credentials: (0x96c73a0e) KDC has no support for encryption type.
Sun Apr 12 11:35:58 CEST [VFILER0@node1:cifs.ldap.processing:warning]: LDAP: Could not determine filer's site membership. Error 80: Unknown error
Sun Apr 12 11:35:58 CEST [VFILER0@node1:cifs.trace.GSS:error]: AUTH: Unable to acquire filer credentials: (0x96c73a0e) KDC has no support for encryption type.
Sun Apr 12 11:35:58 CEST [VFILER0@node1:cifs.server.errorMsg:error]: CIFS: Error for server \\DC01: SMB2 Session Setup Error No Trusted Logon Servers Available - STATUS_NO_LOGON_SERVERS.
Sun Apr 12 11:35:59 CEST [VFILER0@node1:cifs.trace.GSS:error]: AUTH: Unable to acquire filer credentials: (0x96c73a0e) KDC has no support for encryption type.

 

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