Commands › Exchange Online

Remove-AttachmentFilterEntry

Exchange Online ExchangeOnlineManagement Remove-*

This cmdlet is available or effective only on Edge Transport servers in on-premises Exchange. Use the Remove-AttachmentFilterEntry cmdlet to remove an entry from the attachment filter list that's used by the Attachment Filtering agent on Edge Transport servers.

Quick start script

# Remove-AttachmentFilterEntry — quick start (serv365.ai)
# 1. Connect (app-only shown; interactive: omit the certificate parameters)
Connect-ExchangeOnline -CertificateThumbprint $thumb -AppId $appId -Organization $org

# 2. Capture the current state first — you cannot roll back what you never recorded
$before = Get-AttachmentFilterEntry
$before | Format-List

# 3. Make the change (dry run first)
Remove-AttachmentFilterEntry -Identity <String> -WhatIf
Remove-AttachmentFilterEntry -Identity <String>

# 4. Verify and diff
$after = Get-AttachmentFilterEntry
Compare-Object ($before | Out-String) ($after | Out-String)

Syntax

Remove-AttachmentFilterEntry [-Identity] <String>
 [-Confirm]
 [-DomainController <Fqdn>]
 [-WhatIf]
 [<CommonParameters>]

Parameters (4)

Parameter	Type	Required	What it controls
-Identity	String	yes	The Identity parameter specifies the type of attachment that this filter entry removes. The Identity parameter accepts values in the format Type:Name, where Type is one of the following two values:
-Confirm	SwitchParameter		The Confirm switch specifies whether to show or hide the confirmation prompt. How this switch affects the cmdlet depends on whether the cmdlet requires confirmation before proceeding.
-DomainController	Fqdn		The DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory. You identify the domain controller by its fully qualified domain name...
-WhatIf	SwitchParameter		The WhatIf switch shows what the command does without making any changes. You don't need to specify a value with this switch.

Reference facts derived from Microsoft documentation, © Microsoft, licensed CC BY 4.0; restructured with original guidance by serv365.ai.