GMEE 3 tier connection fails with Error
Connection failed: http://SERVERNAME/FRSAppServer The input stream is not a valid binary format. The starting contents (in bytes) are: 3C-68-74-6D-6C-3E-0D-0A-20-20-20-20-3C-68-65-61-64 ...
This issue is usually caused when the FRSSMServerAppPool is not running in 32bit mode and is not using .NET Framework 2.0
Use the following steps to correct issue:
1. Open IIS Manager
2. Go to Application Pools
3. Edit Basic Settings of "FRSSMServerAppPool" and change .NET Framework to Version 2.0
4. Edit Advanced Settings of "FRSSMServerAppPool" and set "Enable 32-bit Applications" to "True"
5. Restart IIS