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August 12, 2016

CCMSETUP Failed with 403, Cannot find DP

We have an office having issues with SCCM client auto install via group policy. Every time a machine is online, and ccmseutp tried to install the sccm agent, it failed with code 403, cannot find SCCM Distribution points. However the other locations are fine. and I checked all the DPs, boundary groups..seems all good. Since the issue came from the CCM_POST ‘HTTP://xxx.com/ccm\_system/request’, I think may from there. so I pasted that link in IE, and I got access denied. Then I tried these two just to check MP: https://xxx.com/sms\_mp/.sms\_aut?mpcert https://xxx.com/sms\_mp/.sms\_aut?mplist Looks like something wrong with my MP? I rebooted the SCCM server. no luck… then went to IIS Manager, and checked the IIS settings..seems all good…

IIS logs: C:\inetpub\logs\LogFiles\W3SVC1

I removed MP and re-install MP…still no good :(

MP logs: MPControl.log , MPsetup.log, MPmsi.log

I tried to specified the ccmsetup commandline to :

ccmsetup.exe /mp:https://mpFQDN SMSSITECODE:XXX

Still not working…   Finally, I got a call with Microsoft support, and after 4h troubleshooting…he found out that  CCM_POST ‘HTTP://xxx.com/ccm\_system/request’ was using http, however our environment was using https, so it should be sent as  CCM_POST ‘HTTPS://xxx.com/ccm\_system/request’… After a few testings, we used the full ccmsetup command line:

ccmsetup.exe /usepkicert ccmhttpsport=443 /mp:https://mpFQDN SMSSITECODE:XXX

PS. It was quite frustrating to see that I cannot find”ccmhttpsport” this switch from internet…LOL And now the issue fixed! Pulling request from https instead of http…   A few good readings: http://blog.configmgrftw.com/ccmsetup-mp-and-smsmp/ https://technet.microsoft.com/en-us/library/gg712298.aspx