~ Arun Kumar | Support Escalation Engineer
You may encounter an issue in Operations Manager where you will be able to record web transactions just fine, but when running the test manually or when OpsMgr runs it per a schedule, it fails with a 404 error on some of the URLs.
This can potentially happen if URL redirection is being used and the URL contains a “#” character. For example, assume that the page on a website is using server side URL redirection and the URL redirection involves a "#" character. In this scenario, any application that uses WinHTTP to access this URL will fail and return an HTTP 404 error. If you investigate this using a fiddler trace you’ll see something similar to the following:
Agents 1st request
GET https://www.contoso.com HTTP/1.1
Connection: Keep-Alive
Accept: */*
Accept-Encoding: GZIP
Accept-Language: en-us
User-Agent: Microsoft Monitoring Agent 7.1.10184.0
Host: server.contoso.com
Server's response
HTTP/1.1 302 Found
Date:
Location: https:// www.contoso.com/en/location-chooser.html#origuri=/en.html
Content-Length: 267
Keep-Alive: timeout=10, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=iso-8859-1
Note that the server is redirecting the client to the URL specified in the location tag in the above response (https://www.contoso.com/en/location-chooser.html#origuri=/en.html).
Agents 2nd request in response to server reply above
GET https:// www.contoso.com/en/locat HTTP/1.1
>>>>>> Note the URL here is truncated
Connection: Keep-Alive
Accept: */*
Accept-Encoding: GZIP
Accept-Language: en-us
User-Agent: Microsoft Monitoring Agent 7.1.10184.0
Host: server.contoso.com
Server Response
HTTP/1.1 404 Not Found
>>>>> Since the URL is invalid we get a 404 Not Found
Date:
Last-Modified: Tue, 06 Jun 2015 19:05:05 GMT
Accept-Ranges: bytes
Content-Length: 5745
Keep-Alive: timeout=10, max=99
Connection: Keep-Alive
Content-Type: text/html; charset=utf-8
If you encounter this problem, the resolution is to install the Windows hotfix below:
3047732 - "HTTP 404" error when you access a website with URL redirection in Windows ( https://support.microsoft.com/en-us/kb/3047732 )
You’ll want to install the hotfix on the watcher node, then reboot the machine and re-run the test. It should now complete as expected.
Arun Kumar | Support Escalation Engineer | Microsoft GBS Management and Security Division
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