@MR.S I'm trying to run on a fresh Windows server installation. I got it working - issue was the java version. Thanks for your help.

Yes I'm using 64bit java. I've reinstalled java. Is there a specific java version required for the controller?

Yes the backup file is from the same controller version. This is the error in the log java.lang.reflect.InaccessibleObjectException: Unable to make field private static final long...

I have installation of Omada Controller version 5.14.20.9. I am trying to stand up a new server and restore a backup of the existing server to the new server. The Omada Controller isntallation is on...

@Clive_A Is it supported by default? I don't see an option to enable NAT-T.

Does the ER605 support NAT traversal (NAT-T) with IPSEC VPN?