What is the BitLocker Drive Encryption (BDESVC) service?

An explanation of the BitLocker Drive Encryption (BDESVC) service in Windows 7.

What does the BitLocker Drive Encryption (BDESVC) service do?

The BitLocker drive encryption service is responsible for allowing BitLocker to communicate with users and automatically unlock encrypted volumes.

BitLocker is a full drive encryption feature available in Windows 7 Pro and better.

BitLocker Drive Encryption (BDESVC) service details

  • Service name: BDESVC
  • Description: BDESVC hosts the BitLocker Drive Encryption service. BitLocker Drive Encryption provides secure startup for the operating system, as well as full volume encryption for OS, fixed or removable volumes. This service allows BitLocker to prompt users for various actions related to their volumes when mounted, and unlocks volumes automatically without user interaction. Additionally, it stores recovery information to Active Directory, if available, and, if necessary, ensures the most recent recovery certificates are used. Stopping or disabling the service would prevent users from leveraging this functionality.
  • Path to executable: C:\windows\System32\svchost.exe -k netsvcs
  • Startup type: Automatic if you are using BitLocker Manual if you are not using BitLocker

Does my computer need the BitLocker Drive Encryption (BDESVC) service?

If you are using BitLocker encryption you do need this service to start automatically.

Should I disable the BitLocker Drive Encryption (BDESVC) service?

First off, I have to say that it’s best to leave service optimization up to Microsoft. With that said; if you are not using BitLocker drive encryption and will never use it, disabling the BitLocker drive encryption service is OK.

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