Resolution1. Having any SOAP issue first of all please ensure that version of SWsoft SAOP is used in project is 3.0.3 than 3.0.0 (which is outdated). The proper URL is http://www.swsoft.com/webservices/vza/3.0.3/VZA.wsdl
2. Getting an error with reference adding, using Visual Studio 2005, please apply the following workaround.
3. Getting an error with compilation, running Visual Studio on Windows Vista, please apply the following solution.
4. If you still have any problems with SOAP please contact support, providing ALL necessary info with ALL details (OS version, WDSL scheme, Visual Studio version etc.)