If all the devices are in the same group, then you should be able to do a group dump and restore. Make sure all devices are in monitor-only mode before making this move. After you've moved the desired group over to the destination AMP, you can delete the group from the original AMP (delete all the devices, once the devices have been removed, then you can delete the folder and group.
# cd /root/svn/mercury/tools
# ./create_group_dump.pl
Create a dump file for a group and all of its APs.
The dump file can be used to migrate the group and its devices to another AMP.
Dump files will be created in '/var/airwave/custom/group_dumps'.
Usage:
./create_group_dump.pl <csv_data_file>
The CSV data file must contain a column named 'group_name' which specifies
the groups which will be restored.
Example CSV file format:
group_name
Home Office
Remote Office
Building 15
# ./restore_group_dump.pl
Restores a dump file created by create_group_dump.pl.
The dump file can be used to migrate the group and its devices from another AMP.
This dump file must be located in '/var/airwave/custom/group_dumps'.
Usage:
./restore_group_dump.pl [--groups-only] <csv_data_file>
The CSV data file must contain a column named 'group_name' which specifies
the groups which will be restored.
Example CSV file format:
group_name
Home Office
Remote Office
Building 15