Why is my Windows server communicating with hosts 94.245.121.253 or 157.56.144.215?

On modern servers, for example Windows Server 2012 R2 you might see “suspicious” traffic to IP addresses¬†94.245.121.253 or 157.56.144.215 on port 3544. This traffic is coming from the Microsoft Teredo implementation. These IP addresses actually resolve to terodo.ipv6.microsoft.com What is teredo? Teredo is a protocol that allows computers behind a…

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VMRC installation error: The user did not accept the license agreement by passing EULAS_AGREED=1 on the command lineThe user did not accept the license agreement by passing EULAS_AGREED=1 on the command line

During the installation of VMRC you might run into the following error: “The user did not accept the license agreement by passing EULAS_AGREED=1 on the command line.” Despite adding EULAS_AGREED=1 to the command-line this error still occurs. Sometimes the fix is easy, rerun the installation as administrator (right click-> run…

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Use Windows Powershell to determine the Windows Edition

There are many Powershell scripts to determine the operating system version, but determining is the edition is a bit harder. You might need this information for certain applications. The information about the version is encoded in the¬†OperatingSystemSKU property of the Win32_OperatingSystem class of the WMI (Windows Management Instrumentation) Pro tip:…

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