New group
A group in the source database will be created in the target database when the following conditions are met:
There is no identical group in the target database.
You have Write access privileges for the superior group of the target database.
The new group receives all attributes which were specified in the source database and a new GUID. The current user will receive the Read, Write and Delete access privileges for the new group.
Same group
If identical groups exist in the source and target databases, the source database group is transferred. Depending on the setting this happens with or without merging the attributes. Groups without names will always be newly created in the target database.