You have the old 5.5 gds32.dll lying around in the windows directory on the
client, thats what is looking for the license key.
And its looking for it locally, a pre 6.0 non open source client needed a
key to allow it to access a remote database.

Regards
Paul Beach
Main Tel (UK):+44 (0) 1844 354465
Mobile: (UK): +44 (0) 7764 188603
http://www.ibphoenix.com