Silverlight, iis integrated security etc

To use integrated security for the webservice use the following web.config bindings.

Might also have problems with crossdomain security policies when writing silverlight which consumes a webservice.  (ensure server name is same ie ssdintranet versus ssd365w01.uk.parker   etc)

Linq Transactions

When using transactions in .net the MSDTC component must be configured to allow network transactions on both the client and server (ie the calling web server and the callee server in my case the chinese server). The following liknk discusses how to setup the MSDTC

http://msdn.microsoft.com/en-us/library/aa561924(v=bts.70).aspx

MVC in iis 6

Need to add a Wildcard Application mapping to the Application under Application Configuration
Add a map (use .aspx as ref) to the aspnet_isapi.dll.  Note this might impact on website performance.