What does HRESULT 0x803100D5 (FVE_E_ADBACKUP_NOT_ENABLED) mean?

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Description:

Group policy prevents you from backing up your recovery password to Active Directory for this drive type. For more info, contact your system administrator.

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FVE_E_EOW_NOT_SUPPORTED_IN_VERSION	FVE_E_VOLUME_EXTEND_PREVENTS_EOW_DECRYPT

FVE_E_ADBACKUP_NOT_ENABLED

The failed prerequisite

FVE_E_ADBACKUP_NOT_ENABLED / 0x803100D5 marks a rejected BitLocker transition: effective policy prevents recovery information for this drive type from being backed up to Active Directory Domain Services.

A managed restriction is part of the security design. Record which authority delivered it and whether the requested operation is mandatory for compliance or merely a convenience feature.

Diagnostic map

Layer	policy and authorization
Proof to collect	drive type, effective recovery-backup policy, domain join, escrow target, policy source and attempted backup method
Different condition	an AD connectivity, schema or permission failure after backup is allowed
First safe change	enable the correct AD DS backup policy centrally or use another approved escrow destination before depending on the protector

BitLocker evaluates the target volume together with effective Group Policy or MDM policy, Windows edition, caller authorization and the requested protector or management method. A policy HRESULT therefore describes a rejected configuration decision, not evidence that encrypted sectors are damaged.

A focused verification sequence

Record drive type, effective recovery-backup policy, domain join, escrow target, policy source and attempted backup method.

manage-bde -status
gpresult /h bitlocker-policy.html

State checks specific to FVE_E_ADBACKUP_NOT_ENABLED

Stage	How to interpret it
Before the call	Record the target identity and the pre-call policy and authorization state. Effective policy prevents recovery information for this drive type from being backed up to Active Directory Domain Services.
At failure	Preserve drive type, effective recovery-backup policy, domain join, escrow target, policy source and attempted backup method.
After correction	Enable the correct AD DS backup policy centrally or use another approved escrow destination before depending on the protector.

Official references

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