Enabling BitLocker encryption might cause VSS snapshot failure

Summary

Enabling BitLocker encryption can lead to an error because the DIFF area is not secured during the VSS snapshot.

Log name:         Application Source:             VSS Date:               2023/01/17 21:13:17 Event ID:           4001 Level:              Error  Description: Volume Shadow Copy Service Error: DIFF area for creating a shadow copy was not found. Please add at least one NTFS drive with enough free space on your system. Before taking a shadow copy, please make sure the respective volumes have at least 64 MB of free space.  Operating Procedures:    Differential area volume is automatically selected.    EndPrepareSnapshots is running.  Context:    Volume Name: \\?\Volume{51211c0c-7694-4b2d-8a8c-47d1fe98930a}\    Volume Name: \\?\Volume{64e7cf47-bb48-4242-8fee-03dc758f74de}\    Volume Name: \\?\Volume{67154899-782c-4131-b33a-be284ef292af}\    Execution Context: System Provider

Workaround

To resolve the issue, either decrypt BitLocker or add an NTFS volume that is not encrypted for the DIFF area to use.

Target Product

- ActiveImage Protector 2022

(15597379283225)