Skip to main content
NetApp Knowledge Base

secd.kerberos.preauth errors due to unreachable LDAP servers

  1. Last updated
  2. Save as PDF
Views:
6
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
NAS
Last Updated:

Applies to

  • ONTAP 9
  • LDAP client

Issue

  • Warning event in EMS

secd.kerberos.preauth: A Kerberos pre-authentication failure occurred for SVM "svm1" due to invalid credentials for SVM1$@DOMAIN.LOCAL.
secd.conn.auth.failure: Vserver (svm1) could not authenticate over the network to server (ldap01). Error: Can't contact LDAP server (Service: LDAP (NIS & Name Mapping), Operation: Check LDAP Config).
 

  • SecD logs

info :  TCP connection to ip 10.20.30.122, port 636 failed: Connection refused. { in _connect() at src/connection_manager/secd_connection_shim.cpp:594 }
 

  • Packet trace

10.20.30.123 → 10.20.30.122 TCP 74 60655 → 636 [SYN] Seq=0 Win=65535 Len=0 MSS=1460 WS=256 SACK_PERM TSval=1868178423 TSecr=0
10.20.30.122 → 10.20.30.123 TCP 54 636 → 60655 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0
 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.