Commands › Exchange Online

Remove-IPBlockListEntry

Exchange Online ExchangeOnlineManagement Remove-*

This cmdlet is available or effective only on Edge Transport servers in on-premises Exchange. Use the Remove-IPBlockListEntry cmdlet to remove IP block list entries that are used by the Connection Filtering agent on Edge Transport servers.

Quick start script

# Remove-IPBlockListEntry — 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-IPBlockListEntry
$before | Format-List

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

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

Syntax

Remove-IPBlockListEntry [-Identity] <IPListEntryIdentity>
 [-Confirm]
 [-Server <ServerIdParameter>]
 [-WhatIf]
 [<CommonParameters>]

Parameters (4)

Parameter	Type	Required	What it controls
-Identity	IPListEntryIdentity	yes	The Identity parameter specifies the integer value of the IP Block list entry that you want to remove. When you add an entry to the IP Block list, the Identity value is automatically assigned. To find the Identity...
-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.
-Server	ServerIdParameter		The Server parameter specifies the Exchange server where you want to run this command. You can use any value that uniquely identifies the server. For example:
-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.