ssh'ing into XOA and poking around, I find this in the logs:

Jun 09 18:57:31 xoa systemd[1]: Started xo-server.service - XO Server.
Jun 09 18:57:31 xoa (o-server)[557]: xo-server.service: Failed to locate executable /usr/local/bin/xo-server: No such file or directory

I've looked through the update notes and don't see anything related. Did I miss something, or did my updates screw up somehow.

How do I recover this. I did find one write up on deleting the XOA appliance and reinstalling, but the delete fails with:

[17:15 xcp-ng ~]# xe vm-destroy uuid="3d80a504-3460-96ab-d438-2e6f2e9e0487"
You attempted an operation that was explicitly blocked (see the blocked_operations field of the given object).
ref: 3d80a504-3460-96ab-d438-2e6f2e9e0487 (XOA)
code: true
[17:15 xcp-ng ~]#

***** Update *****

Was able to delete and re-create the XOA appliance.

So now I'd just like to understand what happened.

Cheers.