I have upgraded my server from 3.6 to 3.7.2 successfully (hopefully)

The web front end works fine all my old data is there, access to the /admin is failing with the error, that the site is redirecting in a way that will never complete

the old 3.6 clients still connect but pull up and error if I add or change files, the error is always 1 file cannot sync, this happens even if its fully sync'd

the biggest problem is the new clients, both the 3.7 clients available for windows have a connection error giving me the following error

System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.ArgumentNullException: Key cannot be null.
Parameter name: key
at System.Collections.Hashtable.ContainsKey(Object key)
at Simias.WebState..ctor(String DomainID)
at Simias.DomainServices.DomainAgent.Login(Uri host, String domainID, NetworkCredential networkCredential, Boolean calledRecursive)
at Simias.DomainServices.DomainAgent.Attach(String host, String user, String password)
at Simias.Web.SimiasService.ConnectToDomain(String UserName, String Password, String Host)
--- End of inner exception stack trace ---

This happens with upgrades and also new installs, the server is Suse 10.3 clients are all xp

if you need any more info please ask, I can revert easily to 3.6 server but would like to be running the latest version.

STewart