A few years ago I wrote a post about how to Swap Office 365 Licenses. Microsoft has deprecated the cmdlets that were used in that post specifically Set-MsolUserLicense and has replaced them with Microsoft Graph cmdlets specifically Set-MgUserLicense. In this post, I will show step-by-step how to swap Microsoft 365 licenses using Microsoft Graph and…
Microsoft has been warning about the deprecation of the MS Online and Azure AD PowerShell cmdlets for a while now; the end date is fast approaching, and some of the commands have stopped working. You can read the Microsoft post about the deprecation here. Microsoft Graph is becoming a day-to-day reality and a tool we’ll…
DKIM (DomainKeys Identified Mail) is a way to help validate the authenticity of the emails you send. DKIM adds a signature to your email by using a private key and a public key. Your public key is your DKIM DNS record and only your email server knows your private key. When you have DKIM setup…
Back in 2015, Microsoft enabled all Microsoft 365 (aka Office 365) Exchange Online tenants the ability to change their message sizes to a maximum size of 150 MB. Originally the default size was 25 MB and previously Microsoft increased that to 35 MB, your tenant will likely be set to one of those values. The…
Base64 is a form of binary-to-text encoding that is very widely used, you can encode almost anything into Base64. Learning how to leverage Base64 has been a major eye-opener for me. I’ve seen Base64 used in countless places such as SSL certificates. Ransomware loves to use it, as a lot of basic Antivirus don’t check…
Everything in AD (Active Directory) has a Distinguished Name. A Distinguished Name can be used in many situations such as setting up an application to use a service account or adding AD groups or users into applications and so much more. A Distinguished Name is also known as a DN. A benefit of an using…
For whatever reason the default fresh setup of Microsoft 365 has no audit logging turned on. Audit logging is very useful for IT troubleshooting and auditors love logs. Microsoft says that it is enabled by default for Microsoft 365 and Office 365 enterprise organizations. I suspect that means only if you have E1 or higher.…
Right out of the box the initial configuration of Microsoft 365 (aka Office 365) isn’t bad, but there’s a lot more you can do to harden it and to make it fully yours. By default all Microsoft 365 tenants are in a state that is called dehydrated. Microsoft places all the tenants in this state…
Duo Authentication for Windows Logon and RDP is great tool that I like to use to add MFA to Windows systems specifically servers, as it could help prevent lateral movement in the network. When you only have a few systems running Duo Authentication for Windows Logon and RDP upgrading it is short and painless. When…
Recently I’ve ran into an issue with Microsoft Teams where the user sees a blocking message that says “Teams needs an update”. The user needs to action it before they can use Microsoft Teams again. Typically the user can just click on Update Teams which will take them to a download page for Microsoft Teams,…
