This is not supported. You will need to build a new Exch Server with the supported o/s and move mailboxes etc to the new server.
Upgrade windows server 2012R2 to windows server 2016, will the Exchange system be affected?
Pham Tien Dung
105
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Our current system is installing Exchange 2016 on the Windows 2012R2 OS platform. We are planning to upgrade the OS to Windows 2016 -> I want to ask, will the Exchange system be affected? Do I have to reconfigure Exchange? Thanks to everyone for help
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Amit Singh 4,986 Reputation points
2024-05-31T08:09:02.3433333+00:00 Yes, you need to build a new Exchange server and migrate mailboxes to it.
Your Existing Exchange server environment: Exch01 (Windows 2012 R2, Exchange 2016)
You can follow below steps-
- Install a new Windows server 2016 (named Exch02)
- Install Exchange 2016 latest Security Updates on Exch02
- In Exchange Admin Center (EAC) :
- Add Exch02 to the Send Connector
- Select Exch02 > Configure External Access Domain URL the same as above and select Exch02 as the source server.
- Select Exch02 > Configure Outlook Anywhere using the same domain
- Configure OWA and other virtual directories with the same URL
- External DNS:
- Autodiscover points to Exch02
- Install a new certificate for Exch02
- Move mailboxes to Exch02
- Test send/receive emails
- Shutdown Exch01
- Test send/receive emails
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Pham Tien Dung 105 Reputation points
2024-05-31T01:38:56.15+00:00 I still need more people's opinions.