查看证书指纹值
Get-ExchangeCertificate

在本地 Exchange 服务器上续订自签名证书
Get-ExchangeCertificate -Thumbprint BC37CBE2E59566BFF7D01FEAC9B6517841475F2D | New-ExchangeCertificate -Force -PrivateKeyExportable $true

已生成


参考自:
https://docs.microsoft.com/zh-cn/Exchange/architecture/client-access/renew-certificates?view=exchserver-2019