405 Method Not Supported

Error Message

Error 405, method not supported
2015-12-01 14_04_09- - Remote Desktop Connection.png

Explanation of Error

IIS cannot execute certain methods that Production Terminal uses.


Normal. User is not down.

Possible Root Cause(s)

Asp.Net 4 is not installed on the machine hosting Production Terminal.

Windows 8 / Windows Server 2012

On Windows Server 2012 and Windows 8, you may get this error if the web server (IIS) was not installed exactly right. The Web Server role should be uninstalled, and reinstalled using these instructions followed exactly.

Windows 8 - Verifying and Installing IIS 8 and .NET Framework
Windows Server 2012 - Verifying and Installing IIS 8 and .NET Framework


Install ASP.Net version 4 on the machine. The installer is located here: http://www.asp.net/downloads. After installing, refresh Production Terminal.
On Windows 8+ or Server 2012, follow the instructions linked above to reinstall IIS.

Version Information

  • Reported : 3/11/2011
  • Version(s): 4.5

See Also