Files Skipped or Read Failure:

One possible cause is when certain files are skipped during the backup process due to issues like "Read Failure" on the client side. This can happen if the backup server encounters problems while reading the files, resulting in their exclusion from the backup.

Permission Problems:

Another reason for the error message is related to permission settings. If the user running any BDRShield services, which is part of the BDRShield Backup Server, does not have sufficient permissions to access and read specific files for backup, those files may be omitted, leading to an incomplete backup.

Unreadable or Corrupted Files:

The error can also occur if a file on the client machine is unreadable or corrupted. Additionally, if the file is exclusively locked by another application during the backup process, the backup software may fail to access or back up the locked file, causing the backup to complete only partially.

Check for Read Failures:

Review the backup logs to identify any "Read Failure" entries or indications of skipped files. Investigate the root cause of the read failures and address any underlying issues, such as disk errors, network connectivity problems, or file corruption.

Ensure Proper Permissions:

Verify that the user running the BDRShield service with adequate permissions to access and read all the files intended for backup. Adjust the permissions as necessary to avoid any permission-related issues.

Identify Locked Files:

If certain files are consistently causing the "Backup Completed Partially" error, determine if they are being exclusively locked by another application during the backup process. Temporarily closing or unlocking the files in question may allow the backup software to access and back them up successfully.