I have installed backup exec several times on two windows 2000 servers, Backup exec will work for about a month, then just stop communicating with the internal stand alone dlt drive. I then have to uninstall the software and reboot the server to install it again, I set up the the software again, backup exec will work just fine then it will stop communicating with the drive after about 1 month to 2 months. This all happens without making any changes to the drive or the software, I dont reboot the server unless this happens....Does this happen to anyone else or know what the problem is? Does veritas have a problem with windows service pack 3?