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This bug was initially created as a copy of Bug #2000238

I am copying this bug because: to track fix for RHEL9



[+] Description of problem:
 - when the root ad domain is not listed in ad_enabled_domains, sssd will mark the subdomains as offline

[+] Version-Release number of selected component (if applicable):
 - sssd-1.16.5-10.el7_9.8.x86_64

[+] How reproducible:
 - sometimes - the failure occurs when sssd tries to retrieve trust information from the root domain

[+] Steps to Reproduce:
1. configure an ad forest with two or more domains
2. enable only the ad subdomains in ad_enabled_domains
3. monitor sssd to see subdomains marked offline

[+] Actual results:
 - all domains are marked offline and sssd fails to perform user lookups for a certain period

[+] Expected results:
 - root domain being disabled is treated as normal and sssd keeps all subdomains online

[+] Workaround:
 - list ad root domain in ad_enabled_domains

Upstream PR: https://github.com/SSSD/sssd/pull/5771

Pushed PR: https://github.com/SSSD/sssd/pull/5771

* `master`
    * 2a617c0efc07d10efc0688652bfe7ab2d8d6f477 - sdap: always create sdap object for a forest root
* `sssd-1-16`
    * 46b194196749d4ea77d5d4e6bdd64d7c0996b105 - sdap: always create sdap object for a forest root

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (new packages: sssd), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2022:4015