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kinit: Cannot find KDC for realm while getting initial credentials

Problem is that you need 

dns_lookup_kdc = true

in your /etc/krb5.conf under the [libdefaults] section file:

[root@mysql01 ~]# kinit tom@mds.xyz
kinit: Cannot find KDC for realm "mds.xyz" while getting initial credentials
[root@mysql01 ~]#
[root@mysql01 ~]# vi /etc/krb5.conf
[root@mysql01 ~]# systemctl restart sssd
[root@mysql01 ~]# kinit tom@mds.xyz
Password for tom@mds.xyz:
[root@mysql01 ~]#

The other source of this error is that you're really missing the realm:

Sep 22 16:45:45 mdskvm-p01 [sssd[krb5_child[16698]]]: Cannot find KDC for realm "MDS.XYZ"

so to solve it add this block:

  [realms]
  MDS.XYZ = {
    kdc = ad.mds.xyz
    default_domain = mds.xyz
  }

And the following:

[domain_realm]
  .nix.mds.xyz = NIX.MDS.XYZ
  nix.mds.xyz = NIX.MDS.XYZ
  mdskvm-p01.nix.mds.xyz = NIX.MDS.XYZ
  .mds.xyz = MDS.XYZ
  mds.xyz = MDS.XYZ

 

Cheers,
TK

 


     
  Copyright © 2003 - 2013 Tom Kacperski (microdevsys.com). All rights reserved.

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