Could not establish trust relationship for the SSL/TLS secure channel with authority 'ws.tag.microsoft.com'.

Apr 27, 2010 at 7:21 AM
Edited Apr 27, 2010 at 7:22 AM

I got api exception:"System.ServiceModel.Security.SecurityNegotiationException: Could not establish trust relationship for the SSL\/TLS secure channel with authority 'ws.tag.microsoft.com'.
Micrsoft tag api webservice(https://ws.tag.microsoft.com/MIBPService.wsdl)certificate has expired or is not yet valid。