Category Archives: Cloud Computing

Changing an Office 365 User Principal Name with Powershell

It is very ease to change your login name in Office 365 if you have PowerShell for office 365 (x86 version, x64 Version) installed. First connect to Office 365

Enter your Credentials, and then issue the next command:

EC2: Windows activation

Today I had a problem with a Amazon EC2 Windows instance. It said “this copy of windows is not genuine”. I tried to activate it, but it kept giving me errors. After some searching on the EC2 Forums I found this post which helped me out. In short: 1. Open “C:Program FilesAmazonEc2ConfigServiceSettingsDnsSuffixSettings.xml” 2. Remove the… Read More »