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Directory and Authentication / Passwords randomly stop working

« on: January 11, 2016, 09:42:04 pm »

I've added a Zentyal server on bare metal as an additional Domain Controller. I installed using the Development edition image, so it is Zentyal 4.2 on Ubuntu 14.04.

We've been encountering issues with user passwords not working when authenticating with the Zentyal domain controller, but only for some users. One user reported that an old password worked when their new password did not. Resetting the user's password seems to fix the issue for that user, and their new password syncs between all the domain controllers. I figured it was something to do with only users who have changed their passwords and zenytal was for some reason using an old hash, but today an account that has never had a password changed, and that was previously authenticating fine with the Zenytal DC now had the same issue.

Zentyal log

http://paste.ubuntu.com/14472279/

Code: [Select]

ii  zentyal-ca                            4.2                              all          Zentyal - Certification Authority
ii  zentyal-common                        4.2                              all          Zentyal - Common Library
ii  zentyal-core                          4.2.1.3                          all          Zentyal - Core
ii  zentyal-dns                           4.2.0.3                          all          Zentyal - DNS Server
ii  zentyal-firewall                      4.2                              all          Zentyal - Firewall
ii  zentyal-network                       4.2                              all          Zentyal - Network Configuration
ii  zentyal-ntp                           4.2                              all          Zentyal - NTP Service
ii  zentyal-objects                       4.2                              all          Zentyal - Network Objects
ii  zentyal-openvpn                       4.2                              all          Zentyal - VPN
ii  zentyal-samba                         4.2.1                            all          Zentyal - Domain Controller and

File Sharing
ii  zentyal-services                      4.2                              all          Zentyal - Network Services
ii  zentyal-software                      4.2                              all          Zentyal - Software Management