no matching reader error

Hi Guys me again. I have set up two identical linux servers using ubuntu and the excellent tut here with smargo support. Both are using smargos and both are using identical oscam files, oscam.server, oscam config, oscam user. When I put my sly card in one then it all bursts into life and can see three boxes around the house all report in around about 90ms ecm time. When I move the card to the other server I get this...

2013/03/04 08:40:01 9502068 c flat (0963&000000/0000/0F25/67:2F66CCA769C68039610F96C5A2191D7C): rejected group (0 ms) (0/0/0/0) (no matching reader)
2013/03/04 08:40:01 94FD970 c lounge (0963&000000/0000/0F03/7D:FD6592E264B7F733494F7A8950411C66): found (115 ms) by ***_uk
2013/03/04 08:40:01 94FF118 c loft (0963&000000/0000/0EEB/67:B7204EBD3202A512D84D2F17A6673068): rejected group (0 ms) (0/0/0/0) (no matching reader)
2013/03/04 08:40:09 9502068 c flat (0963&000000/0000/0F25/67:F865B0E2FAAADFEA75FC85BAB9FC32B3): rejected group (0 ms) (0/0/0/0) (no matching reader)
2013/03/04 08:40:09 94FD970 c lounge (0963&000000/0000/0F03/7D:01E66D6726A3ED98818A2DDE0DCFEBBB): found (106 ms) by ***_uk
2013/03/04 08:40:09 94FF118 c loft (0963&000000/0000/0EEB/67:4D28BAF0C4E62DE4E7E5B72AE7C531D2): rejected group (0 ms) (0/0/0/0) (no matching reader)
2013/03/04 08:40:17 9502068 c flat (0963&000000/0000/0F25/67:45CB10B86915F718567CC05D4780B57A): rejected group (0 ms) (0/0/0/0) (no matching reader)
2013/03/04 08:40:17 94FD970 c lounge (0963&000000/0000/0F03/7D:FC63B8D7A8904E3AE208DF9C747F0AC3): found (106 ms) by ***_uk
2013/03/04 08:40:17 94FF118 c loft (0963&000000/0000/0EEB/67:9EB58A3F566D83C4EA8167074CAF9BDB): rejected group (0 ms) (0/0/0/0) (no matching reader)

Any thoughts on what this could be. I know the smargo is good as I had it running on an earlier version of oscam but decided to do a fresh install

Cheers guys.

OK sorted it sorry to jump the gun. It was my whitelist one was different to the other. Copied the working one to the not working one and all is good.