CIFS share inaccessible after disabling RC4 on 7mode and DC
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.