ドメイン検出中に secd.kerberos.preauth event を受信

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環境

ONTAP 9.12+
CIFS
ドメインディスカバリー

問題

定期的なドメイン検出エラーイベントがEMS.logに記録されます

secd.kerberos.preauth: A Kerberos pre-authentication failure occurred for SVM "SVM1" due to invalid credentials for User$@DOMAIN.LOCAL

secd.conn.auth.failure:notice]: Vserver (SVM1) could not make a connection over the network to server (ip xxx.xxx.xxx.xx, port 389). Error: Connection refused (Service: LDAP (Active Directory), Operation: SiteDiscovery)

これには、EMS.log他のエラーが伴う可能性があります

secd.ldap.noServers:EMERGENCY]: None of the LDAP servers configured for Vserver (SVM1) are currently accessible via the network for LDAP service type (Service: LDAP (Active Directory), Operation: SiteDiscovery)