This information is mostly available elsewhere, but I have done some Exchange upgrades and migrations recently and found it useful to pull it all together into a single page for reference.

Differencing disks do have their uses, as I see it a more permanent snapshot of just the disk. Recently I needed to merge it back into a normal virtual disk. It took a bit of digging, as deleting the differencing disk is not as simple as you might imagine.

I’ve recently needed to reorganise a very large (>3.5 TB), very complex (millions of folders, tens of millions of files) NTFS filesystem which had been allowed to evolve slowly over the years into a great big mess. Share permissions were a little too liberal, so users of varying technical competence had run riot – applying […]

Although I’ve been working in IT for many years, networking hasn’t been my central focus. The places I worked with more complex networks tended to have dedicated network people. In other places where I have been responsible for the network, the setup has been relatively simple, or has had kit that has nice friendly GUI […]

I have had the need recently to dual-boot two copies of Windows 10 on my laptop. It’s more complicated than it used to be, thanks to NVMe and Secure Boot. In my case, I want to have the default Windows install for my work, and a completely separate personal install, without the overheads of virtualisation. […]