Renewal of Exchange 2016 certificate
View certificate fingerprint valu
Get-ExchangeCertificate
Renew a self-signed certificate on the local Exchange server
Get-ExchangeCertificate-Thumbprint BC37CBE2E59566BFF7D01FEAC9B6517841475F2D | New-ExchangeCertificate-Force-PrivateKeyExportable $true
Generated
Delete the useless certificate and select the certificate in IIS
Reference from:
Https://docs.microsoft.com/zh-cn/Exchange/architecture/client-access/renew-certificates?view=exchserver-2019