Outlook Junk E-mail Protection Level Changes Unexpectedly to Low

Outlook Junk E-mail Protection Level Changes Unexpectedly to Low #

Symptoms #

In Microsoft Outlook, under Junk E-mail Options, the Junk E-mail protection level may change unexpectedly to Low from an earlier setting of either High or No Automatic Filtering, as shown in the following screen shot:

 

Cause #

This behavior may occur if the following Exchange PowerShell command is run against the affected user mailbox:

Set-MailboxJunkEmailConfiguration -identity <user_alias>-Enabled <value>Note The <user_alias> placeholder represents the alias of the affected user, and <value> is either $true or $fal