Trying to add Anybus x-gateway AB7649-F to our step 7 project we are unable to find it by mac address. We had another one on a different op that worked fine. Please help. thanks

Are you following the instructions and using the GSD file below (can also be download from the Product Page)?

PROFINETIO_Slave_Step7_1.11.pdf (1.7 MB)
hms-gsdml-abx-prts.zip (6.6 KB)