We are currently running ePO 5.3 on a Windows 2008 R2 server.
Obviously we want to move away from this onto a 2019 server and ePO 5.10.
Here is the steps we believe will work, just wondering if anyone else has done a similar migrations in case there is anything I have missed.
Build & Configure new Windows 2019 Server
Change Firewall Rules to mirror existing ePO Server
Modify GPO to mirror existing ePO Server policies
Install SQL Server Express 2019 on server above + Management Studio
Configure SQL Server to Listen for TCP/IP + Named Pipes and Port 1433
Set SQL Server & Browser services to Automatic
Install ePO 5.10
Install update 9
Install Packages & Extensions
Export objects and data - items such as dashboards, server tasks, policy assignments
Export 1024 & 2048 Security Keys from old ePO Server
Import above to new Server
Connect new server to old server
Transfer option for clients should be enabled
Test client transfer
Reinstall the Agent Handler on DMZ.
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