Not able to login as AD Users on to IPA server via the IPA-AD trust

Issue

Not able to login as AD Users on to IPA server via the IPA-AD trust

wbinfo --domain-info ipa
Name              : IPA
Alt_Name          : ipa.example.com
SID               : S-1-5-21-421471608-3222275921-4030657294
Active Directory  : No
Native            : No
Primary           : No

ipa trust-fetch-domains
Realm name: ipa.example.com
-------------------------------
No new trust domains were found
-------------------------------
----------------------------
Number of entries returned 0
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# wbinfo -m --verbose
Domain Name     DNS Domain                                                       Trust Type  Transitive  In   Out
BUILTIN                                                                          None        Yes         Yes  Yes
IPA          ipa.example.com                                                    None        Yes         Yes  Yes

# wbinfo --group-info='IPA\Domain Admins'
failed to call wbcGetgrnam: WBC_ERR_WINBIND_NOT_AVAILABLE
Could not get info for group IPA\Domain Admins