ISA Server Error Code 502

If you are using ISA 2006 and getting Error Code 502 try the solution below.


The page cannot be displayed
There is a problem with the page you are trying to reach and it cannot be displayed.
Technical Information (for support personnel)
Error Code: 502 Proxy Error.
The HTTP message includes an unsupported header or an unsupported combination of headers. (12156)

The event that can cause to this problem is HTTP header that begins with a space or with a TAB character space.

To solve this issue.

Change the registry key stated below value to 1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\RAT\Stingray\Debug\Web FiltersValue DROP_CONTINUATION_LINES