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ONTAP persistently discovers DC server list from old AD site after modifying default AD site to new one

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Category:
ontap-9
Specialty:
cifs
Last Updated:

Applies to

  • ONTAP 9
  • Active Directory (AD) Site
  • Domain Controller (DC)

Issue

ONTAP persistently discovers the DC server list from old AD site after modifying default AD site to new one.

  • Modify the CIFS server configuration, change the default site to "TK".
  • Packet trace shows the ONTAP is still querying the DC server from the old site of "DL"

2021-05-18 15:54:29 10.xx.xx.xx 10.xx.xx.xx DNS Standard query 0x7bec SRV _ldap._tcp.DL._sites.dc._msdcs.tse.com
2021-05-18 15:54:29 10.xx.xx.xx 10.xx.xx.xx DNS Standard query response 0x7bec SRV _ldap._tcp.DL._sites.dc._msdcs.TSE.com SRV 0 100 389 win2016-dc1.tse.com SRV 0 100 389 win2016-dc2.tse.com SRV ......

  • The AD site information shows differences between client site and server site. 

::*> secd authentication get-dc-info -node ontap96-02 -vserver svm1_ontap96

   DC Information:
   ---------------
           Forest: tse.com
           Domain: tse.com
     NetBIOS Name: TSE
 NetBIOS Hostname: WIN2016-DC1
      Server Site: TK
      Client Site: DL

        

 

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