DHCP Scope: Full of BAD_ADDRESS Entries
Feb05

DHCP Scope: Full of BAD_ADDRESS Entries

KB ID 0001651 Problem I had a client machine struggling to get an DHCP address, and when I looked in DHCP the scope it was full of this; BAD_ADDRESS This address Is Already in Use Solution A tour of Google and forums is full of posts by people with this problem, and other than, ‘Oh I looked in the logs and fixed it’ (with no mention of what log, or where this log was), or ‘Yeah I used Wireshark and located a problem...

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Get Ready for LDAPS Channel Binding
Jan28

Get Ready for LDAPS Channel Binding

KB ID 0001645 Problem I have written about Enabling LDAPS a long time ago, but it’s a subject that’s about to become important again, so I’ll revisit the subject. Microsoft are about to ‘enforce’ LDAPS authentication against their domain controllers, in the March 2020 round of updates. Now delayed until second half of 2020. What does that mean? Well lookups against LDAP will now need to be secure, (i.e....

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Windows Server – Change Your Password in an RDP Session (Send Ctrl+Alt+Del)
Jan21

Windows Server – Change Your Password in an RDP Session (Send Ctrl+Alt+Del)

KB ID 0001183  Problem Colleague: Windows Server, Where’s Windows Security gone? Me: Eh? Colleague: Windows Security! Me: What are you trying to do? Colleague: I want to change my password and I can’t send a Ctrl+Alt+Delete to the remote server. Well I know that pressing Crtl+Alt+Delete would let you change your password like so; I wasn’t aware that in Server 2008 and earlier if you were connected via RDP you got a...

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Windows – Find your ‘Uptime’
Jan02

Windows – Find your ‘Uptime’

KB ID 0000552  Problem There are lots of reasons you might want to know your PC/Servers uptime, to make sure a client has rebooted a server (like you asked them to), or to see if a server has had a BSOD and rebooted overnight, etc. Check Uptime with Task Manager You can get your uptime from the Task Manager’s “Performance” tab. To launch Task Manger Start > Run > Taskmgr.exe {enter}. or Press CTRL+SHIFT+ESC, or...

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Control Panel ‘Mail Icon Missing’
Jan01

Control Panel ‘Mail Icon Missing’

KB ID 0000237 Problem Problem usually seen on x64 Office versions, to set up some mail profiles; Solution Firstly what happens if you try running; outlook.exe /manageprofiles The file you are looking for is called mlcfg32.cpl Find it and double click it. here’s where I found it C:\Program Files (x86)\Microsoft Office\root\Office{Version} or C:\Program Files (x86)\Common Files\System\MSMAPI\1033 If you get stuck, or are using x64...

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The Term ‘Uninstall-WindowsFeature’ is not Recognized
Dec16

The Term ‘Uninstall-WindowsFeature’ is not Recognized

KB ID 0001628 Problem I was removing Windows Defender from a lot of servers that had just been deployed, (while doing and AV rollout). So I had a remote session open to all the servers and issued the command on each one, and moved onto the next one. when I went back, about three or four of them had failed with the following error; PS C:\Users\Administrator> Uninstall-WindowsFeature -Name Windows-Defender Uninstall-WindowsFeature :...

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