Disabling IPv6
Disabling IPv6 KB ID 0001832 Problem Stop! Why do you want to disable IPv6? I see this regularly in forums, with other unusual statements like “If you’re not using it disabling it” or “It’s just another attack vector, disable it.” Well unless you’re running Windows XP and Server 2012 you’re using IPv6. If something does not work and disabling IPv6 fixes it, then it’s usually...
Windows Remote VPN no DNS
VPN no DNS KB ID 0001402 Problem I’ve been setting up a VPN solution on the test bench as I’m looking at Always On VPN. When I noticed that I had a problem with my remote VPN connections on Windows. They would connect fine but I could not resolve any FQDNs for my domain? VPN no DNS Solution By default, all (Windows) VPN connections are ‘Force Tunnel’ (this means they have the option ‘Use default gateway...
Manually Update Windows Trusted Root Certificates
Manually Update Windows Trusted Root Certificates KB ID 0001831 Problem These days your trusted root certificates are simply updated with Windows Update, but what if your servers have no internet access? In this example I will manually update the root certs by downloading them on a machine WITH internet access then importing on another machine that has not. Bear in mind: If none of your machines have internet access they cannot check...
VMware: PowerCLI Errors
PowerCLI Errors KB ID 0001830 Problem I was doing some work recently and tried to connect to my vCenter server and was greeted with this. PS C:\Users\administrator.PNL> connect-viserver vc-70.pnl.com connect-viserver : Object reference not set to an instance of an object. At line:1 char:1 + connect-viserver vc-70.pnl.com + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [Connect-VIServer], NullReferenceException +...
Windows: Copy User Membership to Another User
Copy User Membership KB ID 0001828 Problem If you have a lot of user groups and simply want to copy/clone one users group membership to another user, then with PowerShell that’s quite simple to do. Solution: Copy User Membership Here I have two users ALane who is a member of a few groups and APatel who is simply a member of domain admins. Although we can see above what groups ALane is a member off let’s prove that will...
Windows: Migrate DHCP HA
Migrate DHCP HA KB ID 0001826 Problem I got an email last week. “Hi thanks for your video. I have two win 2012 DC DHCP on a failover/load balance config and want to migrate to new Win 2022 VMs. What’s the exact procedure? If it’s a single VM it’s easy but I’m not sure about if it’s on a failover setup.” Well migrating the domain controller element I’ve covered before. Migrate From Server...
Deny RDS
Deny RDS KB ID 0001825 Problem Way back when I started doing tech (in the days of Novell 4 and NT4), my mantra was, if you must deny something then you’ve done something wrong. Now I work for a UK based MSP that offers SPLA licensing to clients. Unlike typical RDS licensing, With SPLA this requires every ‘capable’ AD user that ‘can’ RDP onto a server (regardless of it’s a Session Host RDS Server or...
Auto Update ADMX Files
Auto Update ADMX KB ID 0001824 Problem It’s been a long time since I ran through setting up a central policy definitiosn store. In that time, you’ve probably had to copy ADMX (and ADML) files into your central store manually. Microsoft updates typically DO download updates but puts them (usually) in C:\Windows\PolicyDefinitions, There’s probably a sensible reason for that. When someone cleverer than I has scripted...
451 4.7.0 Temporary Server Error
451 4.7.0 KB ID 0001823 Problem If you attempt to connect to and send mail via command line to your Exchange Server, you may see the following error after you end the data section of the operation. 451 4.7.0 Temporary server error. Please try again later. PRX5 Solution 451 4.7.1 Error Log into Exchange Amin Center > Mail Flow > Receive Connectors > Default Frontend {Server-Name} > Edit > Scope > Select the IPV4 entry...
Windows LAPS
Windows LAPS KB ID 0001822 Problem We used to have Microsoft LAPS, now we have Windows LAPS! LAPS is a solution that lets’ you store admin passwords ‘elsewhere’ be that in your local Active Directory or Azure Active Directory*. Unlike previously, where you had to deploy/install client software, it’s now built into Windows from the following versions. Windows 11 22H2 – April 11 2023 Update Windows 11 21H2...