Windows 10: Some DCs require GSSAPI for LDAP connetions

Discus and support Some DCs require GSSAPI for LDAP connetions in Windows 10 Software and Apps to solve the problem; I have weird issue that has cropped up. We have 8 writable Domain Controllers and 2 RODCs, all are 2016.We updated all but 3 DCs to block use of... Discussion in 'Windows 10 Software and Apps' started by Jez Roberts, Jan 23, 2023.

  1. JEZ ROBERTS
    Jez Roberts Win User

    Some DCs require GSSAPI for LDAP connetions


    I have weird issue that has cropped up. We have 8 writable Domain Controllers and 2 RODCs, all are 2016.We updated all but 3 DCs to block use of TLS1.0/1.1 and bunch of depricated hashes and cyphers etc.After this we have noticed some issues with LDAP queries from some applications to specific DCs, they appear to make a connection but can not enumerate AD.I have reverted the changes, even to the extent of positively allowing the previously blocked stuff, but the problem persists.Using LDP and LDAPAdmin I can make a connection, however, a Bind fails unless I use GSSAPI on LDAPAdmin and Negotiat

    :)
     
    Jez Roberts, Jan 23, 2023
    #1
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Some DCs require GSSAPI for LDAP connetions

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