Thank you for the answer.
I've verified the status of domain on both server and client.
On a server it appears that IPA domain (
ipa.sub.mydomain.com) is always online. However,
status of AD domain (
sub.mydomain.com) seems to be fluctuating between Online and Offline
and sometimes sssctl returns communication error:
[root@idm4 ~]# sssctl domain-status
sub.mydomain.com
Unable to get online status [3]: Communication error
org.freedesktop.sssd.Error.UnknownDomain: Unknown domain
Unable to get online status
[root@idm4 ~]# sssctl domain-status
sub.mydomain.com
Online status: Online
Active servers:
AD Global Catalog: not connected
AD Domain Controller:
dc.sub.mydomain.com
IPA:
idm4.ipa.sub.mydomain.com
Discovered AD Global Catalog servers:
None so far.
Discovered AD Domain Controller servers:
-
dc.sub.mydomain.com
Discovered IPA servers:
-
idm4.ipa.sub.mydomain.com
On a client sssctl always shows that IPA domain is Online, but after clearing the sssd
cache with sss_cache -E and restarting sssd daemon getent passwd command for AD users
doesn't yield any results.
I've double firewalls and turned them off both in AD controller and on Linux boxes but
it doesn't change a thing.