Can't get displayResource at SambaLdapUser.pm

[vitaliy.busygin@…]

1. AD - zentyal master (users)
2. FS - slave of AD (users + samba). PDC is disabled.
3. PDC - slave of AD (users + samba). PDC is enabled.
4. WEB - slave of AD (users + jabber + apache + mail).
5. AD reboot (or updating software).
6. FS & PDC lost connections to AD, WEB wasn't.
7. When I'm trying to get access to group of users on FS or PDC, i had error "Can't call method 'get_value' on an undefined value". On WEB I hadn't this error.
8. "sudo /usr/share/zentyal-users/rejoin-slave" doesn't work.
9. On PDC execute "sudo /usr/share/zentyal-users/reinstall" and error was fixed. But this is not a solution.

Error

Can't call method 'get_value' on an undefined value

Trace

Can't call method 'get_value' on an undefined value at /usr/share/perl5/EBox/SambaLdapUser.pm line 741.

[anonymous]

zentyal.log

[jamor@…]

Hello,

this error is likely caused by the maser not be able to resolve the slave hostname, thus resulting in incomplete operations synchronization so the expected displayResource attribute does not exist.

Make sure that the master can resolve the slave hostname, either using a DNS server or via /etc/hosts files, and force a resync. (page Users and groups -> Slave status)

Regards, Javier