Hi Aditya,
What do you mean by "archived log files on 'MessageTrackingLogPath' ", is it something like this
Exchange message tracking log archiving.
By default, the
maximum age for any message tracking log file is 30 days. Circular logging deletes the oldest message tracking log files if either of the following conditions is true:
- The message tracking log directory reaches its specified maximum size.
- A message tracking log file reaches its specified maximum age.
So, if you see some logs that is still there that would mean there is some issue with the cleanup process, but Exchange is still respecting the limit and hence unsearchable.
Incase you have a backup or true archive, then you might be intersted in the below blog.
Reviewing Message Tracking Logs from other Servers and/or Restored Backups:
http://blogs.technet.com/b/stuartp/archive/2008/09/30/reviewing-message-tracking-logs-from-other-servers-and-or-backups.aspx