We can reuse the existing SSL certificate for the new Exchange 2019 server.
1. Login to the Exchange 2016 Server.
2. Open Exchange Management Shell as an administrator.
3. Run the below cmdlet to check the Thumbprint of the certificate.
Get-ExchangeCertificate | Select CertificateDomains, Thumbprint
4. Run the below cmdlet to export the certificate.
$bincert = Export-ExchangeCertificate -Thumbprint <Thumbprint> -BinaryEncoded -Password (Get-Credential).password
5. Enter a username and password on the Windows PowerShell credential request page.
6. Click OK.
Run the below cmdlet to save the certificate file.
[System.IO.File]::WriteAllBytes(‘<path>\<file name>.pfx’, $bincert.FileData)
8. Copy the certificate file from the Exchange 2016 server to the Exchange 2019 server.
9. Login to the Exchange 2019 server.
10. Open the Exchange Management Shell as administrator.
11. Run the below cmdlet to import a certificate.
Import-ExchangeCertificate -Server EX01-2019 -FileData ([System.IO.File]::ReadAllBytes(‘C:\Post-Install\certificate\wildcard_gooddealmart_ca.pfx’)) -Password (Get-Credential).password
12. Enter a username and password on the Windows PowerShell credential request page.
13. Click OK.
14. It would be best to save the Thumbprint for assigning exchange services to this certificate.
15. Run the below cmdlet to enable exchange services with this certificate.
Enable-ExchangeCertificate -Thumbprint <Thumbprint> -Services <Service name>,<Service name>… [-Server < Exchange Server Name >]
16. Run the below cmdlet to verify that you have successfully assigned a certificate to the Exchange services.
Get-ExchangeCertificate | Format-List FriendlyName,Subject,CertificateDomains,Thumbprint,Services
I hope you enjoy this post.
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Author: Cary Sun
Cary Sun has a wealth of knowledge and expertise in data center and deployment solutions. As a Principal Consultant, he likely works closely with clients to help them design, implement, and manage their data center infrastructure and deployment strategies.
With his background in data center solutions, Cary Sun may have experience in server and storage virtualization, network design and optimization, backup and disaster recovery planning, and security and compliance management. He holds CISCO CERTIFIED INTERNETWORK EXPERT (CCIE No.4531) from 1999. Cary is also a Microsoft Most Valuable Professional (MVP), Microsoft Azure MVP, Veeam Vanguard and Cisco Champion. He is a published author with several titles, including blogs on Checkyourlogs.net, and the author of many books.
Cary is a very active blogger at checkyourlogs.net and is permanently available online for questions from the community. His passion for technology is contagious, improving everyone around him at what they do.
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