Hello,
as Ken has suggested, we do not support and recommend moving DATA to a different Drive. You can however move the Catalogs to a different drive. Please check the following Document for that:
How to move the catalogs in Backup Exec 9.x and 10.0 for Windows Servers to a different drive
http://seer.support.veritas.com/docs/264680.htm
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A second Option could be uninstalling the Product and reinstalling it on a different drive.
Please go through the follwing Document for the same:
How to uninstall and reinstall Backup Exec 9.x, or move Backup Exec 9.x to a different computer, without losing job configuration information
http://seer.support.veritas.com/docs/260054.htm
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