Windows 2016 multipoint server wont recognize new cert installed.

I am working on windows server 2016 multipoint service.  I have installed my ssl cert for the web and the rdp sessions.  I cannot seem to remove a ssl cert that was previously there.    I have gone through the rdp gateway ssl to verify correct ssl cert.  I have verified that web service has correct ssl and the web ssl is working perfectly.  But I have gone through the mmc on certificates for personal and computer.  I have removed all old certs that were self generated.  but I cannot seem to get the rdp to recognize the new ssl cert.  It always comes back with the old self created cert.  I have researched and it was working initially.  So, I am not sure where now to look or what to do to fix this issue.  This is for a client and I am trying to get this resolved as soon as I can.

thank you.
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David Johnson, CD, MVPOwnerCommented:
there are 2 certificate stores  machine and user
mphillip85Author Commented:
I have the proper cert in both places.  as well as the local store for multipoint services cert.
mphillip85Author Commented:
I know it would seem straight forward in this scenario, but I am at a loss to why is the old cert popping up that was self generated.
mphillip85Author Commented:
I will rebuild the system.

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mphillip85Author Commented:
No one else is able to provide insight as to why this is happening and that I know that rebuilding the system will resolve whatever bug and/or error in the other system had will be gone.
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Windows Server 2016

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