psscript.github.io/update-certificate.PS1 at main · PSScript/psscript.github.io · GitHub

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# Fix/update commercial certificate
#----------------------------------

Get-ExchangeCertificate | Format-List FriendlyName,Subject,CertificateDomains,Thumbprint,Services

enable-ExchangeCertificate -Thumbprint YourThumbprintCODE -Services POP,IMAP,IIS,SMTP


# Set the certificate to be used for server authentication by running the following commands:
#--------------------------------------------------------------------------------------------

Set-AuthConfig -NewCertificateThumbprint YourThumbprintCODE -NewCertificateEffectiveDate  (Get-Date)

Set-AuthConfig –PublishCertificate

Set-AuthConfig -ClearPreviousCertificate

# IIS reset has 1 minute downtime at least
IISReset

# OR
•	Restart the Microsoft Exchange Service Host Service.
•	Either run the IISReset command to restart IIS or run the following commands (in elevated mode) to recycle OWA and ECP Application pools:

Restart-WebAppPool MSExchangeOWAAppPool
Restart-WebAppPool MSExchangeECPAppPool