PowerShell, Technology

Managing DHCP Scopes with PowerShell

Introduction We recently restructured our whole IP addressing schema. This was a mammoth job. The management of DHCP scopes was one part of this. We had to create around 20 new DHCP scopes and create reservations for all the devices that reservations in the old scopes. I thought to myself that this is the perfect time to learn about using…

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Office 365, PowerShell, Technology

Exchange Online Migration error: “Target user already has a primary mailbox”

Issue When migrating mailboxes from Exchange On Premise to Exchange Online, it fails with the following error: Target user ‘Users Name’ already has a primary mailbox. Cause Long before we had ever thought about migrating to Exchange Online we had manually created some students in our Office 365 tenant (not using the Azure AD Connect) to give them access to…

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PowerShell, Technology

Powershell: Automating Exiting Users

Introduction I have being playing around with Powershell a lot more lately and trying to learn and utilise it as much as possible. One of the repetitive tasks we deal with is when a student exits the school. There are a number of steps in AD that have to be undertaken each time a student leaves. These include: Disable the…

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PowerShell, Technology, Uncategorized

PowerShell Resources

As a Sys Admin, I am probably a bit late to the party with how useful PowerShell can be. I have lately completed a couple of online courses about PowerShell and am trying to use it as much as I can in my day to day work. I am finding it incredibly useful in work and relatively easy to pick…

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