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Enforce BitLocker key backup saving to Active Directory

When BitLocker backup to AD has been turned on after configuring BitLocker on domain computers, then no keys are existing in the AD.
To enforce sending BitLocker key to AD, you need to:

1.Get ID and password from the needed computer:
manage-bde -protectors -get c:

2.Make a backup to AD for selected ID
manage-bde -protectors -adbackup c: -id {enter id of Numerical Password ID here}

If you see below error

this means that AD is not correctly set - computer has no permission to save backup to AD.