Windows Adding Firewall Rules With PowerShell
Apr24

Windows Adding Firewall Rules With PowerShell

KB ID 0001538 Problem There was a question on Experts Exchange this morning, the asker wanted to be able to add a ‘Trusted’ network range to their Windows Server Firewall settings as a ‘allow all ports’ rule. Solution You can of course add this manually in the GUI, normally I’d simply Add a Firewall Rule with a Group Policy. but the problem with that is, that’s fine if you want to open a particular...

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Sysprep Was Unable to Validate
Apr14

Sysprep Was Unable to Validate

KB ID 0001535 Problem While building a new Windows 10 machine to be used as a template, I ran Sysprep to generalise the installation, and got this; Sysprep was not able to validate your Windows Installation. Review the log file at %WINDIR%\System32\Sysprep\Panther\setupact.log for details. After resolving the issue, use Sysprep to validate yout Installation again. Solution What I did was Google the error, instead of looking at the log...

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KMS Error 0xC004F056
Jan11

KMS Error 0xC004F056

KB ID 0001502 Problem While checking the KMS licence status of a newly deployed 2016 Datacenter server. I got this; Licence Status: Notification Notification Reason:0xC004F056 Solution While I’m not a fan of any errors, this ones harmless, in fact it’s telling us to perform an activation (slmgr /ato). So let’s do that. Then re-check. Related Articles, References, Credits, or External Links...

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Getting a Servers Serial Number (Remotely)
Dec09

Getting a Servers Serial Number (Remotely)

KB ID 0001493 Problem If you have an iLO/iDRAC/EMM, then logging into these will give you the servers serial number, but what if they are not setup/connected, or you don’t know username or password? Then you can use WMI to discover the serial number. Solution From PowerShell; Get-Ciminstance -classname win32_bios -computername {Server-Name} | format-list serialnumber   Or if you have RDP/Console access , then from an...

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Windows Administrator “Lost Password” / “Password Reset”
Nov30

Windows Administrator “Lost Password” / “Password Reset”

KB ID 0000159 Problem You have forgotten your password, or the administrators password fo your Windows machine. Also See: Windows 8 – Lost / Forgotten Password? Note: You can also ‘Blank’ or reset the DSRM (Directory Services Restore Mode) password on a Domain Controller (Tested on 2012 R2, by blanking the password). Using this method. Solution Software Download Links Password Reset CD Image (3.5Mb) Note: This is a...

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Windows – Lost / Forgotten Password?
Nov17

Windows – Lost / Forgotten Password?

KB ID 0000755 Problem There are many reasons why you might want to do this, someone has managed to change a user password and that person is not available, you might simply have forgotten it. Or you might have been given a machine, or bought one from ebay that has come without a password. Also there have been a few times when a user has looked me in the eye and said “I’m typing my password in, but it’s not...

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