I work in IT in a corporate environment and we use SCCM to image computers and I have a Lenovo T460 laptop I have imaged with Windows 10 that has a single physical hard drive with a primary partition (C:), a recovery partition, and a BDEDrive partition when the drive was encrypted.
Yet, at random intervals, the Bitlocker Drive Encryption pops up and asks if I want to encrypt the D: drive. The laptop has no D: drive. The laptop does not have a CD/DVD/Blu-Ray drive installed. It has several drive mappings to network drives, but none point to D, nor should Bitlocker be detecting those as physical drives.
The Bitlocker Drive Encryption pops up about once a day asking to encrypt the drive. I have run several tools trying to detect a "rogue drive" on the machine and each time come up with nothing. No other computer we have ever imaged has had this problem across our network.
I re-imaged the laptop several times before deciding to use it as my everyday laptop so that it did not get distributed out to another user and so that my colleagues and I could work on it and not disturb others while they were working.
I have had several colleagues suggest ideas but none have panned out, that is why I am reaching out to a larger community.