Dell PowerVault NX3500 Administrator's Guide - Page 178
Troubleshooting Active Directory Authentication
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Troubleshooting Active Directory Authentication Description Cause Workaround A valid Active Directory user fails to authenticate. Probable causes may be: • The user is trying to authenticate using a wrong password. • The user is locked or disabled in Active Directory. • Active Directory domain controllers are offline or unreachable. • System clock and Active Directory clock are out of sync. 1 Check the PowerVault NX3500 system event log in the NAS Manager for errors. 2 Verify that the user is not disabled or locked in Active Directory. 3 Verify that domain controllers are online and reachable using the network. 4 Kerberos requires client/server clocks to be in sync. Verify the system time is in sync with the domain controller time and if required, configure the NTP setting of the system. 178 Troubleshooting