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A few days ago I was in a training class out of the office with one of my work colleague. During the class he tried to connect to work using our Citrix (SRA) portal when he realized that his computer at work (freshly re-installed with Windows 8.1) was not allowing him to connect because of the Network Level Authentication.Error message: "The remote computer that you are trying to connect to requires Network Level Authentication (NLA), but your Windows domain controller cannot be contacted to perform NLA. If you are an administrator on the remote computer, you can disable NLA by using the options on the Remote tab of the System Properties dialog box."
Before I talk about the workaround and the PowerShell script we used to fix that, let's investigate in order to understand the problem.
