Disable LLMNR and NetBIOS (via GPO)
Disable LLMNR and NetBIOS KB ID 0001816 Problem LLMNR is a protocol that’s used both in IPv4 and IPv6 networks to provide name resolution (in the absense of DNS), the problem with it is that it is wide open to exploitation and can be used to perform a MITM attack on your network. NetBIOS is much older and asscociated with IPv4 networks only. Really old Microsoft OSs used to rely on it heavily, but these days its pretty much...
Upgrade Server 2012 (In Place)
Upgrade Server 2012 KB ID 0001802 Server 2012 End Of Life Windows Server 2012 (and Windows Server 2012 R2) will go end of life on October 10th 2023. Start planning to migrate your productions workloads off this platform as soon as you can. I’ve mentioned before on the site, I’m not a fan of ‘in place’ upgrades, you get to migrate all the ‘broken bits’ (that you didn’t realise were broken), and...
Windows Update Error 80072EFE
80072EFE Error KB ID 0001801 Problem Seen on versions of Windows built from ‘older’ versions of the install media, when attempting to check for updates you may see. Error(s) food: Code 80072EFE Windows update ran into a problem 80072EFE Update Error Resolution At first (because it was a newly build machine.) I thought the problem was incorrect Time zone, Time, or Locale. But thats NOT the problem, you’re stuck in a...
Migrate DHCP Scope(s)
Migrate DHCP KB ID 0001792 Problem If you have a lot of DHCP scopes, options, or reservations, then manually creating them on your new DHCP servers can be a both a time consuming and tedious process. If only there was an easier way? Migrate DHCP with Netsh Below you can see an example, where I have many scopes and lot’s of settings that would be painful to have to recreate from scratch. This example is on Server 2008 R2,but...
Migrate From Server 2012 to Server 2022 Domain Controllers
Server 2012 DC to Server 2022 DC KB ID 0001790 Problem I get asked about this quite a lot. In the past most of the queries were about moving from Server 2008 to Server 2022, if that’s what you are after then simply go here. This article is purely for the introduction of, and migration to Windows Server 2022 Domain Controllers. And it assumes your current domain controllers are Windows server 2012 (or 2012 R2). Adding a Server...
Windows Server – Sysprep
KB ID 0000729 Problem I don’t deploy large amounts of servers at once, so Windows Server sysprep is not as important as it is with the client operating systems I deploy. But I do need to create virtual machine templates, (mostly for testing), but some clients like to have server templates. I prefer to manually sysprep and shutdown a server then either convert or clone it to a template. Thankfully sysprep is in the same place as...