There is a internal TN for Symantec for the same, I had similar issue and here are the steps recommended by Symantec:
Solution
Following are steps need to be followed to delete Change Journal.
1. Stop the NetBackup services on client.
2. Make sure all bpfis.exe processes are killed in Windows Task Manager.
3. Use the bpps command from the command-line to make sure no NetBackup processes running.
4. Delete the NTFS change journal for each file system:
For each drive execute:
Go to a command prompt and query the USN Change Journal using command: fsutil usn queryjournal <drive letter:>
To delete Journal run below command :
fsutil usn deletejournal /D <drive letter:>
For example for the C: drive:
fsutil usn deletejournal /D c:
5. Restart NetBackup services on client.
6. Test the backup for Full