Let’s change the ADFS certificate!
Import your new certificate… I recommend do it at MMC Certificate.
Don’t forget you need give permissions in the new certificate!
The read permission is enought.
Ok, now, open the ADFS Management, click in Set Service Communication
A Window will be show up to select the new certificate.
Ok, after selected, warning message will appears.
Note …your new certificate must be appears in service communictions
Open PowerShell as Administrator.
Let’s see the old certificate. Run Get-AdfsSslCertificate
Now, set the new certificate;
Set-AdfsSslCertificate -Thumbprint “aaxxxxxxxxxxxxxxxxxxxxxxxxxab”
Then, restart ADFS Proxy services;
Net stop adfssrv
Net start adfssrv
Run Get-AdfsSslCertificate to see if the certificate had been changed.
Open Office 365 site, and put your informations. I have tested at other Browser, because the authentication method to see the certificate.
After validated, test in Internet Explorer.