Windows Server 2025 Trust Relationship Failures Post-Upgrade
2025 Trust Relationship KB ID 0001917 Problem Following a full upgrade of all domain controllers (DCs) to Windows Server 2025, organisations may experience trust relationship failures between domain-joined workstations and the domain. This issue predominantly affects clients running Windows 10/11 versions up to 23H2. Notably, environments retaining at least one older DC do not encounter this problem. Symptoms Users unable to log in to...
Windows – Firewall Group Policy
Firewall Group Policy KB ID 0000979 Problem For everyone who simply does not disable the Windows firewall, then you need to be able to manage what ports are open on your machines. The simplest way to do this is via firewall group policy. This week I had to open TCP port 9503 on the local firewall of my McAfee Move Offload Servers. Below I will open that port on all my machines, but in production I will only apply the GPO to...
Windows Displaying a Logon Notice (legal notices)
Logon Notice KB ID 0000328 Problem It’s been a while but when I was asked my notes were seriously out of date .Should you with to enable this feature then do the following. Solution : Logon Notice Logon Notice Option 1 – via Domain Policy 1. On a domain controller, Start > administrative tools > Group Policy Editor > Either edit an existing policy or create a new one (Remember its a computer policy you need to...
Windows 11 Bypass Microsoft Account Requirement
Bypass Microsoft Account Requirement KB ID 0001916 Problem Microsoft have been pushing for you to have a Microsoft account to login to windows for some time, originally you could open a shell window and use the oobe\bypassnro command, then they stopped that, but you could still add a registry key to bypass the requirement. But now there’s a much simpler way. Solution : Bypass Microsoft Account Requirement Some site...
Server Manager Error
Server Manager Error KB ID 0001915 Problem I needed to add a role to a Window server today, but when I attempted to do so I got the following error. The request to list features available on the specified server failed. Solution : Server Manager Error This one had me perplexed for a while, I close this dialog box and was looking at Server manager and noticed there was an error ‘large red flag’ so I clicked that and got...
Windows: ‘Trust Relationship Failed’
Trust Relationship KB ID 0000504 Problem Seen on Windows clients in a domain environment. The trust relationship between this workstation and the primary domain failed What’s Happened? Put simply, just like you have a password for your user account, the computer you log onto also has a password (you just never see it), it gets reset (by default) every thirty days, and all this runs in the background. For a lot of different...
Updating Domain Computer Objects with Last Logon and Machine Information
Last Logon KB ID 0001340 Problem I can’t really take the credit for this, I was at a client’s site a few weeks ago, and they were doing this. I thought ‘That’s cool, I’ll have a play with that when I get the chance”. Essentially, you update the description of the Computer object(s) in AD so that they list; The last user who logged on. What time they logged on. What AD ‘Site’ the machine...
Exchange Online – Increase Mailbox Size
Increase Mailbox Size KB ID 0001913 Problem If you want to Increase Mailbox Size for your online Microsoft email, then these are the storage limits (at time of writing). Microsoft Office 365 Plan Exchange Online Plan Mailbox Size Online Archive Size Microsoft 365 Business Basic Plan 1 50GB 50GB Microsoft 365 Business Standard Plan 1 50GB 50GB Microsoft 365 Business Premium Plan 1 50GB 1.5TB Office 365 F3 Kiosk 2GB Add-on Office 365...
Export VM to a Local Folder
Export VM KB ID 0001912 Problem We had a situation recently where a client who was leaving us needed to take their data, the VM in question was very large (12.5Tb in size) Exporting to an OVA file was problematical, (due to the size of the file). So Getting the flat files for the VM seemed like the best option. Solution : Export VM Firstly when using PowerShell there’s a tendency for it to use the %TEMP% and %TMP% directories to store...
VMware: Export a VM to OVA With PowerCLI
OVA KB ID 0001507 Problem : Creating OVA files It’s pretty easy to create an OVA/OVF from the vCenter Web console, but what about from Powershell / PowerCLI? Below I run though converting a Windows server to OVA. Note: Update 25/03/25 – Had a friend try and do this today, the VM was very large (over 12Tb) it proceeded to create the conversion in the servers c:\windows\temp directory. Obviously, this is not good! If you encounter...