Hello,
I have setup a new Farm ready to house the data from the old farm. It's a 2013 SP farm and it is just replacing the other 2013 SP farm due to DB upgrades and config changes we could do by just moving content. However, after the Content DBs are moved, not the SP Config db, the Site permissions for all the sites are somewhat retained and somewhat not retained. I cannot really see a pattern yet. Has anyone else seen this and know why it is happening and better, how to make sure those permissions are retained when the content dbs come over? Thank you!