Powershell Set-MailboxJunkEmailConfiguration -Identity 'alias' -Enabled $false turning JMF onto low setting?

Hi All,

I have come across a small issue in that running the PS cmdlet "Set-MailboxJunkEmailConfiguration -Identity 'alias' -Enabled $false" is turning the junk mail filter onto low setting within the a users outlook client rather than turning it off? The settings according to Exchange are:

Enabled                  : False

TrustedListsOnly         : False

ContactsTrusted          : True

But the client shows otherwise.

I can easily override this setting with GP but is this behaviour normal? My expectation would be that it would disable the setting rather than enabling it?

Cheers,

Swads