I haven't tried, but I doubt we'll re-enable it since we have to update
the password this way and it was only for a few of our Macs that had it
enabled. We rarely use the local admin account to physically access
Macs; we mainly use it for SSH as need...
Just ran into this issue as well and discovered it was b/c the local
admin account on the Mac was listed as a FileVault 2 Enabled User in
Jamf (as shown under the computer record > Inventory > Disk Encryption >
FileVault 2 Enabled Users). We followed...