To recover a failed ATCM instance, relaunch an instance with the same JSON user data as
the original instance, except set
"restore" : true. For more information, about
launching an instance, see
Launching the ATC Manager AMI.
{
"restore": true,
"database": {
"host": "hostname",
"port": port,
"user": "username",
"password": "password"
}
}