We are facing below issues while migrating from 6.1 to 6.2:User-accounts:We used "ACS common packager" for migrating users from 6.1 to 6.2, we have got user-permissions partially on 6.2 instance. For example, allison has access to "data, etc, content" in 6.1 while after migration allison has access ...

I am new to AEM and want to be certified AEM developer but its hard to get study material and other stuff online. could you please suggest me the right way to pursue it.