[Grace Baker Hexnode January 15, 2020 at 4:18 pm Grace Baker Moderator]

Hey, Thanks for reaching out.

Yes, while associating the Exchange Active Sync policy to the device if the password field is left blank, the user will have to manually enter the password in the device.

Please use the help link of Exchange Active Sync for a reference.

Cheers!
Grace Baker
Hexnode MDM