1. All log files are backed up.(these log files are normally
located in the mdbdata directory where your Exchange Server database
files are located).In Exchange Server 2000-03 the log files are probably
in a folder named after your computer name of the Exchange Server.
On exchange server 5.5 the log file begins with edb.log. On Exchange
Server 2000-03 the log files consists of E0000001.log - e00.log.
2. All Exchange server databases files are backed up.
This includes priv.edb , dir.edb and pub.edb
3. On Exchange Server 2000, the database files are Priv.edb/
Priv.Stm(if your database is shadowed)Pub.edb/Pub.stm.
4.Make sure you have a qualified engineer that has experience
in Exchange Server disaster recovery.
5. You may want to have a Exchange Recovery Clinic engineer
or Microsoft engineer on the phone to guide you through this process.