In Windows 8.1/10, during the backup process, the following error may be found in the Windows Event log.
Note: This error is benign and will cause no problems with your backups
AddLegacyDriverFiles: Unable to back up image of binary Microsoft Link-Layer Discovery Protocol.
System Error: Access is denied.
Note: This error does not affect the integrity of your backups in any way and is generated whenever a shadow copy is created on your PC.
To suppress this event log entry you must add the correct permissions for the NT AUTHORITY\SERVICE to MSLLDP service.
Open an Administrative command prompt and enter the follow command:
sc sdset MSLLDP D:(D;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BG)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;SY)(A;;CCDCLCSWRPDTLOCRSDRCWDWO;;;BA)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;SO)(A;;LCRPWP;;;S-1-5-80-3141615172-2057878085-1754447212-2405740020-3916490453)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
On success the following is displayed:
[SC] SetServiceObjectSecurity SUCCESS