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Renew Always On VPN IKEv2 Server Certificate

December 20, 2022 by AJNI No Comments

If you need to renew the Always On VPN IKEv2 server certificate, here are three lines that will help you. Assuming you have the right certificate and the thumbprint, execute the following commands on the VPN server:

$cert = Get-ChildItem -Path Cert:\LocalMachine\My\ | where { $_.Thumbprint -eq "thumbprint" }

Set-VpnAuthProtocol -CertificateAdvertised $cert

Restart-Service RemoteAccess

If these commands saved your day, leave a comment!

Reading time: 1 min

Reconnect a soft deleted Exchange Online mailbox to another account

June 29, 2022 by AJNI No Comments

In Microsoft 365 / Exchange Online, to connect a soft deleted mailbox, you have need to use the cmdlet New-MailboxRestoreRequest to restore the mailbox to another user.

Get-Mailbox -SoftDeletedMailbox | select guid

Get-Mailbox <NewMailbox> | select guid

New-MailboxRestoreRequest -SourceMailbox <GUID> -TargetMailbox <GUID of new mailbox> -AllowLegacyDNMismatch

To check the status of the restore:

Get-MailboxRestoreRequest | Get-MailboxRestoreStatistics

References:

Reddit

Reading time: 1 min

Share a Microsoft 365 room mailbox with the web

October 11, 2021 by AJNI No Comments

If you need make a room mailbox public, for example for a public event, these few PowerShell commands will help you:

First, connect to Exchange Online with your tenant admin:

Connect-ExchangeOnline

Make the calendar public and make the calendar entries visible to everyone:

Set-MailboxCalendarFolder publicRoomMailbox:\Calendar -PublishEnabled $true

Set-MailboxCalendarFolder publicRoomMailbox:\Calendar -Detaillevel Full

Show the HTML and iCalendar URL:

Get-MailboxCalendarFolder publicRoomMailbox:\Calendar | fl published*

The URLs can be shared with anyone or the HTML URL could be embedded on a website as part of an iFrame.

Reading time: 1 min

Convert synced Microsoft 365 mailbox into a cloud mailbox

September 8, 2021 by AJNI No Comments

If you need to change a synced AD account with an Exchange Online mailbox into a cloud-only user, these are the steps you need to take:

Move the user to an OU that is not synced by AD Connect and run a delta sync on the AD Connect server (or wait for 30 minutes):

Start-ADSyncSyncCycle -PolicyType Delta

The mailbox is now in the "Soft deleted" state, which means that it is deleted but can be restored within 30 days. To view the soft deleted mailbox run this command:

Connect-ExchangeOnline

Get-Mailbox -SoftDeletedMailbox user@ajni.it | fl guid

Now link the deleted mailbox with the cloud-only user. The cloud-only user has already been created in my case. You will need to insert the user's password in order to proceed.

New-Mailbox -InactiveMailbox 7fb16ffd-cf3a-42ef-a9d3-e0293f5ef6c2 -Alias cloudOnlyUser -MicrosoftOnlineServicesID cloudOnlyUser@ajni.onmicrosoft.com

Afterwards you can either assign a license to the user or convert that mailbox into a shared mailbox which does not need a license.

Reading time: 1 min

Microsoft 365 Send email from Alias

August 11, 2021 by AJNI No Comments

Normally, with an Office 365 mailbox, you can only send mails with the primary email address. Sending from aliases was not allowed. Microsoft recently rolled out this feature which can be enabled through Exchange Online PowerShell:

Connect-ExchangeOnline

To view the current settings:

Get-OrganizationConfig | fl SendFromAlias*

To enable the feature:

Set-OrganizationConfig -SendFromAliasEnabled $true

To view the settings again:

Get-OrganizationConfig | fl SendFromAlias*

References:

https://lazyadmin.nl/office-365/send-from-alias/

Reading time: 1 min
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