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LDAP and Netlogon server unreachable during network maintenance

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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • Ontap 9.x
  • LDAP

Issue

During a scheduled network maintenance window, multiple alerts were generated indicating that LDAP and Netlogon servers were unreachable.
 
The following EMS messages were observed:
 
<nodename>: secd.ldap.noServers [EMERGENCY]  Node: <nodename>  Time: Aug <Date and time> -0400  Severity: EMERGENCY    Message: secd.ldap.noServers: None of the LDAP servers configured for Vserver (<svm name>) are currently accessible via the network for LDAP service type (Service: LDAP (NIS & Name Mapping), Operation: GetUserInfoFromId).  Description: This message occurs when none of the configured Lightweight Directory Access Protocol (LDAP) servers are accepting connections.    Corrective Action: From an LDAP client workstation, make sure that all configured LDAP servers are responding to requests. Ensure that there are no networking issues stopping the cluster from communicating with the configured LDAP servers. Also, ensure that the portmapper running on the LDAP server is working correctly.    Source: secd  Sequence#: 2574539 []
 
<nodename> : secd.netlogon.noServers [EMERGENCY]  Node: <nodename>   Time: <Date and time> -0400  Severity: EMERGENCY    Message: secd.netlogon.noServers: None of the Netlogon servers configured for Vserver (<svm name>) are currently accessible via the network.    Description: This message occurs when none of the configured Netlogon servers are accepting connections.    Corrective Action: Ensure that all configured Netlogon servers are responding to requests. Ensure that there are no networking issues stopping the cluster from communicating with the configured Netlogon servers.    Source: secd  Sequence#: 8146572 []
 

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