Windows LDAP Authentication for Cluster Admin

chinchillaking — Wed, 04 Jun 2025 09:54:11 GMT

Hello,

Customer want to use AD ldap for cluster admin login follow KB https://kb.netapp.com/Advice_and_Troubleshooting/Data_Storage_Software/ONTAP_OS/How_to_configure_LDAP_Authentication_for_Cluster_(Admin)_SVM but failed. Customer exist AD ldap auth Hitachi storage admin login no problem, they did not want to use CIFS tunnel.

I test KB in my simulator still failed with below setting.

- schema copy AD-IDMU to AD-IDMU-lab and change groupOfUniqueNames, uniqueMember and Name Mapping windowsAccount

- setup ldap client as below

- modify name-services as below

- test UNIX credentials are pulled correctly from Windows AD LDAP

- check the ldap status no problem

- security login account add in cluster

- Install Identity Management for UNIX, Server for NIS and Password Synchronization

- reset hvadmin password trigger password synchronization, the unixUserPassword update

- try login ssh display "Access denied" or system manager and display "Sign In Failed. Please verify Username and Password."

- when login with hvadmin, wireshark display it will query ldap but event log not much info troubleshoot

any advise?

Re: Windows LDAP Authentication for Cluster Admin

chinchillaking — Sat, 21 Jan 2023 10:01:59 GMT

I found the problem, Windows AD Schema did not allow search unixUserPassword, change below problem fixed.

ADSI editior > select a well known naming context > Schema > OK > searchFlags Attribute for CN=unixUserPassword change default 128 to 0
right click Schema > Update Schema Now

topic Windows LDAP Authentication for Cluster Admin in ONTAP Discussions

Windows LDAP Authentication for Cluster Admin

Re: Windows LDAP Authentication for Cluster Admin