Hi @kyasam ,
You can use ACL Packager from ACS Common, once you you have synced all the users/groups from LDAP.
- Migrated content first to 6.1
- Create the ACL Packager in lower env i.e, 6.1 in your case.
- Select "Package ACL handling" as "merge"
- Provide the users/groups name you want to migrate or users/groups ACL's which you want to migrate under "Principle names"
- Provide the "Include patterns"
- Select "Include principle" if you want to include the user/group in the same package. Unselect this if you want to migrate users/groups separately.
- Select Include ACL package. No harm in selecting one option. This is optional.
- Build the package. Download and upload to 6.5. Install the package.
For more details please check: https://adobe-consulting-services.github.io/acs-aem-commons/features/packagers/acl-packager/index.html
Migrate users, groups, and ACLs between AEM instances
There are few step by step process described here according to your scenario: https://experienceleague.adobe.com/docs/experience-cloud-kcs/kbarticles/KA-16448.html?lang=es-ES
Hope that helps you!
Regards,
Santosh