Someone can help me, I want use my account of trusted domain to validate access of my Exchange Account? It's possible? Actually y need use one account of main office to validateExchange Serverin domain1 and use another account of branch domain on domain2 for my work, exchange server is onmain officedomain and y use branch domain. Can i set trust relationships and use my branch account for Main Office Exchange?? Best Regards Andres Ortiz

Hi, I believe that this article should help: http://support.microsoft.com/?id=278888 Leif