Tag: Exchange Online

After converting a Regular Mailbox or a Shared mailbox in Exchange Online.
The AD object isn’t updated back to on premise (Exchange 2010).

To convert AD object to correct mailbox type:

Import-Module ActiveDirectory

1	Import-Module ActiveDirectory

# Convert to Remote Shared Mailbox
$SamAccountname = 'Username'
Disable-AdAccount $SamAccountname
Set-AdUser $SamAccountname -Replace @{msExchRemoteRecipientType="100"}
Set-AdUser $SamAccountname -Replace @{msExchRecipientTypeDetails="34359738368"}

# Convert to Remote Shared Mailbox

$SamAccountname = 'Username'

Disable-AdAccount $SamAccountname

Set-AdUser $SamAccountname -Replace @{msExchRemoteRecipientType="100"}

Set-AdUser $SamAccountname -Replace @{msExchRecipientTypeDetails="34359738368"}

# Convert to Remote Regular Mailbox
$SamAccountname = 'Username'
Enable-AdAccount $SamAccountname
Set-AdUser $SamAccountname -Replace @{msExchRemoteRecipientType="4"}
Set-AdUser $SamAccountname -Replace @{msExchRecipientTypeDetails="2147483648"}

# Convert to Remote Regular Mailbox

$SamAccountname = 'Username'

Enable-AdAccount $SamAccountname

Set-AdUser $SamAccountname -Replace @{msExchRemoteRecipientType="4"}

Set-AdUser $SamAccountname -Replace @{msExchRecipientTypeDetails="2147483648"}

Disclaimer: All scripts and references on this blog are offered “as is” with no warranty. These scripts are tested in my environment, it is recommended that it is tested in a test environment before using in production.

Prereq: In the Exchange Admin Console, go to Hybrid > Setup and click the appropriate Configure button to download the Exchange Online Remote PowerShell Module for multi-factor authentication.

Import-Module $((Get-ChildItem -Path $($env:LOCALAPPDATA+"\Apps\2.0\") -Filter Microsoft.Exchange.Management.ExoPowershellModule.dll -Recurse ).FullName|?{$_ -notmatch "_none_"}|select -First 1)
$EXOSession = New-ExoPSSession -UserPrincipalName 'username@company.onmicrosoft.com'
Import-PSSession $EXOSession

Import-Module $((Get-ChildItem -Path $($env:LOCALAPPDATA+"\Apps\2.0\") -Filter Microsoft.Exchange.Management.ExoPowershellModule.dll -Recurse ).FullName|?{$_ -notmatch "_none_"}|select -First 1)

$EXOSession = New-ExoPSSession -UserPrincipalName 'username@company.onmicrosoft.com'

Import-PSSession $EXOSession

Joachim Løe

Tag: Exchange Online

Converting a mailbox type in Active Directory

Importing Modern Authentication Exchange Online powershell module into Powershell