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CONTAP-185401: System Manager domain-tunnel login results in KRB5_CC_NOTFOUND errors

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Category:
ontap-9
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nas
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Issue

EMS reports 'Ontap admin cifs authentication basic procedure failed':
[node1: secd: secd.cifsAuth.problem:error]: vserver (svm1) General CIFS authentication problem. Error: Ontap admin cifs authentication basic procedure failed
[ 6 ms] Successfully connected to ip xxx.xxx.xxx.xxx, port 88 using TCP
[ 90] Successfully connected to ip xxx.xxx.xxx.xxx, port 88 using TCP
[ 101] Matching credential not found (KRB5_CC_NOTFOUND)
[ 102] Kerberos authentication failed. Trying NTLM
[ 102] Login attempt by domain user 'domain\user' using NTLMv2 style security
[ 103] Successfully connected to ip xxx.xxx.xxx.xxx, port 445 using TCP
[ 132] Successfully connected to ip xxx.xxx.xxx.xxx, port 88 using TCP
[ 206] Unknown error: 39756032
[ 206] Kerberos authentication failed with result: 7556.
[ 206] Unable to connect to NetLogon service on dc1.domain.local (Error: RESULT_ERROR_SECD_NO_CONNECTIONS_AVAILABLE)
[ 208] Successfully connected to ip xxx.xxx.xxx.xxx, port 445 using TCP
[ 232] Successfully connected to ip xxx.xxx.xxx.xxx, port 88 using TCP
[ 235] Unknown error: 39756032
[ 235] Kerberos authentication failed with result: 7556.
[ 236] Unable to connect to NetLogon service on dc2.domain.local (Error: RESULT_ERROR_SECD_NO_CONNECTIONS_AVAILABLE)
[ 236] No servers available for MS_NETLOGON, vserver: 3, domain: domain.local.
**[ 236] FAILURE: Unable to make a connection (NetLogon:DOMAIN.LOCAL), result: 6940
[ 237] Ontap-admin-login-cifs failed

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