Gilab-CE self managed LDAP authenticated domain migrate to another domain gitlab-CE LDAP authenticated

Hi Team,
We need to migrate self maganed gitlab-ce with LDAP authentication from one domain to another domain LDAP authenticated users. SO kindly help us or share any document for gitlab self managed omnibus LDAP authenticated(one domain) to another gitlab-ce self managed omnibus LDAP authenticated(another domain).
Thanks,
Bhupendra
+91-9958711558