Today I've encountered an interesting issue with the SharePoint. I wrote a code to call a couple of SharePoint web services. But it did not work. SoapException occurred with the message "Exception of type Microsoft.SharePoint.SoapSe... was thrown.". Having played a little bit with the code I understood that the same exception occured whenever I called some SharePoint web method. I tried GetListCollection method of the Lists web service - it should work, i've used it often - but ......