Did you check the eventviewer for BitLocker API? Was the drive already encrypted? Maybe this can help..https://rahuljindalmyit.blogspot.com/2021/06/how-to-force-escrowing-of-bitlocker.html
No BitLocker recovery key found for this device in Intune and Azure AD
Kumar S K, Sunil
5
Reputation points
No BitLocker recovery key found for this device in Intune even though device Encryption status is Ready and Status is Encrypted.
Store recovery information in Azure Active Directory before enabling BitLocker is Enabled.
Microsoft Security | Microsoft Entra | Microsoft Entra ID
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Plichta, Mike 86 Reputation points
2023-08-29T15:56:25.4233333+00:00 Our VPN does https decryption and apparently Microsoft doesn't support this for their services. It was preventing the upload of the Bitlocker key. It's blocking a lot of other MS servers too, not just Bitlocker.