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Verify HTTPS enabled MECM Management Points with PowerShell and IE

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IE

Normaly you can brows to 

  • http://<mp_server_name>/sms_mp/.sms_aut?mplist
  • http://<mp_server_name>/sms_mp/.sms_aut?mpcert
  • http://<mp_server_name>/sms_mp/.sms_mp/.sms_aut?MPKEYINFORMATION

and see the responce from the MP but with SSL enabled MP you will get an 403 error 

 to work around you can import the DP certificate with Private Kex to the IE – Settings –> Conntend –> Certificate –> Importe the Cetificate. 

Restart the Browser and you can Access the URL

Get it with Powershell

Get the Certificate list 

Get-ChildItem -Path “cert:\LocalMachine\My”

The certificate you need to find should be a certificate used for Client Auth and from the template you specified setting up you CM in HTTPS mode. Once you have the correct cert you can run the following command:

$cert = Get-ChildItem -Path "cert:\LocalMachine\My\<ThumbprintOfCert>"
Invoke-WebRequest -Uri "https://<mp_server_name>/sms_mp/.sms_aut?mplist" -Certificate $cert

One thing I noticed if that you try and run these command from a client that allows TLS 1.0 or TLS 1.1 against an MP that is running on Windows Server 2019 it will fail. This is because WS 2019 only accepts TLS1.2 traffic. To force PowerShell and Invoke-WebRequest to use TLS1.2 the following line must be specified before you run the above commands:

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

This is only valid for the current PowerShell session and must be specified every time you start a new session.

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