Category: PowerShell

In Exchange 2013 and 2016 after an upgrade you might get the following error after logging in. The URL with the error will look like this: owa/auth/errorFE.aspx?httpCode=500 Cause This issue occurs if the Exchange Server Open Authentication (OAuth) certificate is expired, not present, or not configured correctly....

Microsoft has released multiple security updates in last Patch Tuesday. One off them fixes a high risk vulnerability (CVE-2021-38647) Also know as OMIGOD. This vulnerability can be used remotely, so exploitation is expected soon. This flaw doesn’t directly affect Windows at all, because it’s a bug in Microsoft’s open...

Recently a customer asked me how to save cost on their Azure SQL database without moving away from DTU based subscription model. In this case this customer knows exactly at what time their database is heavily utilized, and when it’s idling. So with a script its easy to automate....

When users leave the company you might want to retain the email for a longer period than the default 30 days. By enabling litigation hold you can retain mailboxes longer than 30 days, before you disable a user you can set the litigation hold to any value you would...

How cool would it be to automate your daily SQL tasks using Azure Automation? Well, really cool off course! Lets start using Azure Automation! Go ahead, if you don’t have an automation account yet, create one by going to Automation Accounts. Give your automation account a name, choose a...

When you migrate to Azure SQL, you might think that Azure does all SQL maintenance, including the maintenance of your database… But the truth is, you will need to setup some maintenance yourself for your databases. Microsoft doesn’t know what is best for your application or database. With this...

With the traditional file server coming to a end, it is time to move along with Azure File Share and AD authentication. Pre-requisites: Office 365 Tenant with an Office 365 Admin account Active Directory on-premise environment AD Connect PowerShell AzFilesHybrid: https://github.com/Azure-Samples/azure-files-samples/releases STEP 1: First, let’s create a new storage...

By default everyone may create a new team in Microsoft Teams. As an organisation admin you might want to control this, or release it a some point. With this manual you should be able to lock down team creation to users that are member of a Azure AD Security...

So you want to clean up unused (shared) mailboxes in your Exchange (Online) environment. How to find out which mailboxes have been inactive for a long time? The answer is yet simple again, with a cool Power Shell script. First we will connect to Exchange Online...

Office 365 Groups are easy to create. However, changing the primary domain name when creating the group might not be that easy from the GUI. However, with Power Shell you can change this easily. First we will need to open a Power Shell Window, and connect with Exchange Online....

With the move to the cloud there might be a time where you would like to remove the Active Directory link (AD Connect) and go for a cloud only strategy. With a few simple steps you can disconnect the AD connect sync from Azure AD. When you look in...

There are situations where you would like to enforce an update of the Exchange Global Address list (GAL) in Office 365. With a few steps this can easily be done! Requirements: Exchange Online EXO V2 module, install using: Import-Module -Name ExchangeOnlineManagement STEP 1: First we will need to make...

When you’re migrating from one Exchange environment to another, or from on-premise to Exchange online without using the hybrid setup, the most forgotten part is the migration of the users x500 address. The reason why this is so important is because Exchange uses this to deliver local emails instead...

A commonly heart end-user frustration with Auto-mapped shared mailboxes is that Send emails from the shared mailbox end up in the send items of the user it self. In the past you would need to set a registry key on the client computer to get this resolved. But with...

With the transition to Azure AD, you might want to connect your AAD joined devices to the traditional file server as explained in this article: Go Azure AD Joined with on-prem DC and fileserver The next step is to map some network drives with Intune! Step 1: The first...

In this manual I will explain step by step how to migrate your users from their personal drive to OneDrive using bulk migration in SharePoint Migration tool. This includes preparing the users OneDrive, granting permissions, and setup SharePoint Migration tool. Prerequisites Before we begin, we will need a migration...

When you accidentally locked your self out from a Virtual Machine in Azure, there is no console access to login and help your self back in to the system. In the last year I’ve seen a few cases where somebody accidentally locked himself out of a VM by wrongly...