Strange USB Issue

Question

hello, i am testing MECM deployed BitLocker (BL) policy. The policy is set for encryption of system / boot drive and worked without any noted issues. However weird issue with USB drives and I was hoping someone had some insight.

1. Insert new USB drive
2. Had to DISKPART a blank drive because BL thought it was bootable (got past that)
3. Insert prepared USB drive and go through steps to encrypt drive to include passphrase
4. Copy some files to USB drive with no problems
5. Take out drive and go to another laptop
6. Drive opens after inputting passphrase
7. Can delete files/folders
8. Insert drive back into original laptop
9. Unlock drive with passphrase
10. Cannot delete or put anything new on drive (delete option is not in context menu; delete button does not do anything)
11. Decrypt drive and encrypt drive again
12. First time inserted it works
13. Remove drive, reinsert, enter passphrase and back to step 10

I took a look at everything I could find and was unable to find a fix.

Any thoughts?

Answer 1

made another change. now the encrypted drives works as expected but a new unencrypted drive insert into USB works without encryption even after asking

now it really does not make any sense.

Answer 2

update. without making any changes, inserting drive, selecting "do not encrypt drive...", i am only able to view / open the files. also i am unable to modify / delete. thanks for the help.