Browsing the BAM Portal returns HTTP Error 503
Scenario
You install and configure BAM Portal on BizTalk Server 2013 R2; which succeeds. When you browse the BAM Portal, the following error occurs:
Service Unavailable
HTTP Error 503. The service is unavailable.
The Windows Application event log shows error:
The Module DLL 'C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\15\isapi\spnativerequestmodule.dll' could not be loaded due to a configuration problem. The current configuration only supports loading images built for a x86 processor architecture.
Resolution