Migrate NPS Server
Dec12

Migrate NPS Server

Migrate NPS Server KB ID 0001841 Problem If you have deployed an NPS Server on your network, there may be a time when you want to replace that server – if all its doing is NPS and its 2012 or newer I’d be tempted to simply in-place upgrade it, but some people are rigid in their beliefs that that is not a good idea. So in that case you need to migrate to a new server. Solution : Migrate NPS Server Locate NPS Server Just in...

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Disable LLMNR and NetBIOS (via GPO)
Mar16

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...

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Migrate DHCP Scope(s) to Windows Server 2022
Jun29

Migrate DHCP Scope(s) to Windows Server 2022

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...

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Remote Desktop Services – Connection Errors
Oct25

Remote Desktop Services – Connection Errors

KB ID 0001132   Below is not an exhaustive list of connection errors, it’s just a some things that have tripped me up. If you have a nasty error that you have fixed, feel free to drop me a line, send me some screenshots and the fix, and I’ll add them as well. General Errors Remote Desktop can’t connect to the remote computer for one of the following reasons; 1) Remote access to the server is not enabled 2)The remote...

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Enable Remote Desktop (Remotely)
Apr13

Enable Remote Desktop (Remotely)

KB ID 0001747 Problem Let’s say you want to RDP to a remote server (imagine such a thing!) But some doofus didn’t enable RDP? Well you can enable Remote Desktop via group policy and wait a while. I used to connect to the registry remotely and change the key that enabled RDP, but now you can do it with a simple PowerShell command. Not only will it enable Remote Desktop, it will also allow RDP on the Windows firewall (if...

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Leave Domain: “A general network error occurred’
Feb18

Leave Domain: “A general network error occurred’

KB ID 0001738 Problem After a recent lab on the test bench, I ended up with a 2008  x32 standard server. It took me a while to get this setup and running, so I wanted to keep it (or turn it into a VMware template should I ever need  another). But first I needed to ‘remove it’ from  the domain it was in. However, when attempting to do so this happened; Computer Name /Domain Changes The following error occurred validating...

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