IIS Troubleshooting Tips for SCCM Admins|MP DP IIS Error Codes

Really quick one to segregate the IIS HTTP Error Codes, which will be useful when troubleshooting SCCM/ConfigMgr/MEMCM Management Point and Distribution Point – server-related communication issues. In this post, you will find more IIS Troubleshooting Tips.

IIS is an integral part of SCCM/Configuration Manager server roles like MP, DP, and SUP. Most of the traditional SCCM client and server communication. A most modern touch is via the fast channel and Message Processing Engine (MSP).

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SCCM IIS Error Cheat Codes

The following are the IIS cheat codes I have recently seen on Twitter. I thought this made full sense and wanted to share it in this post—all the credits to the publisher of this slide.

Patch My PC
SCCM HTTP Error Codes
SCCM HTTP Error Codes

1xx Informational

Request received continuing process.

This class of status code indicates a provisional response, consisting only of the Status-Line and optional headers, and is terminated by an empty line.

Since HTTP/1.0 did not define any 1xx status codes, servers must not send a 1xx response to an HTTP/1.0 client except under experimental conditions.

2xx Success

This class of status codes indicates the action requested by the client was received, understood, accepted, and processed successfully.

Call to HttpSendRequestSync succeeded for port 80 with status code 200, text: OK  $$<SMS_MP_CONTROL_MANAGER>
Http test request succeeded.~  $$<SMS_MP_CONTROL_MANAGER>
CCM_POST /ccm_system/request - 80 - 10.10.10.43 ccmhttp 200 0 0 295 
SCCM IIS Troubleshooting Tips
SCCM IIS Troubleshooting Tips

3xx Redirection

The client must take additional action to complete the request.

This class of status codes indicates that further action needs to be taken by the user agent to fulfill the request. The effort required may be carried out by the user agent without interaction with the user if the method used in the second request is GET or HEAD.

A user agent should not automatically redirect a request more than five times since such redirections usually indicate an infinite loop.

4xx Client Error

The 4xx class of status code is intended for cases where the client seems to have erred. Except when responding to a HEAD request, the server should include an entity containing an explanation of the error situation and whether it is a temporary or permanent condition.

These status codes apply to any request method. User agents should display any included entity to the user. These are typically the most common error codes encountered while online.

5xx Server Error

The server failed to fulfill a valid request.

Response status codes beginning with the digit “5” indicate cases where the server is aware that it has encountered an error or is otherwise incapable of performing the request.

Except when responding to a HEAD request, the server should include an entity containing an explanation of the error situation and indicate whether it is a temporary or permanent condition. Likewise, user agents should display any incorporated entity to the user. These response codes apply to any request method.

Call to HttpSendRequestSync failed for port 80 with status code 500, text: Internal Server Error
BITS_POST /CCM_Incoming/{BC2132F2-8FFF-445D-884B-958EAE0B5C24} - 80 -10.10.10.136 Microsoft+BITS/7.5 500 0 126 236

Resources – IIS Troubleshooting Tips

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