08/31/2016; 5 minutes to read; In this article Applies To: Windows Server 2003, Windows Vista, Windows XP, Windows Server 2008, Windows 7, Windows 8.1, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2012, Windows 8 Two-factor authentication through Windows Server 2008 NPS Nick Owen of WiKID Systems Inc. offers a step-by-step tutorial to help enterprises add strong authentication to the network. Today, we're going to look at Terminal Server security in Windows Server 2008 - specifically Network Level Authentication and Encryption. Although it’s outside the scope of this chapter to go into the details of PKI, it is useful to look at some of the ways PKI can be used as part of a Windows-based authentication infrastructure for secure network access using the protocols discussed in this section. Solve "The remote computer requires Network Level Authentication" on Win 2008 R2. We can select this option in our current scenario because we are using only Vista SP1 clients to connect to the Terminal Server through the TS Gateway. Chances are you may have arrived here after a vulnerability scan returns a finding called “Terminal Services Doesn’t Use Network Level Authentication (NLA)”. Network security: LAN Manager authentication level. Network Level Authentication (NLA) as you may or may not know is a new feature of Windows Server 2008 and Vista workstations that adds some extra security as well as improves login performance by offloading some of the initial remote computer resources required at … You can disable Network Level Authentication in the System Properties on the Remote tab by unchecking the options “Allow connection only from computers running Remote Desktop with Network Level Authentication (recommended)” (Windows 10 /8.1 or Windows Server 2012R2/2016). Countermeasure. ... Feb 19, 2013 Articles \ Windows. You can access them in the following links: RDP issues, remote computers requires network level authentication In Windows 7 and Windows Vista, this setting is undefined. 11/27/2010 5:50:10 PM: Implementing Secure Network Access Authentication. To enable Remote Access, open the Routing and Remote Access console from the Administrative Tools menu, right-click the computer running Windows Server 2008 R2 that you want to host this role, and then click Configure And Enable Routing And Remote Access. In Windows Server 2008 R2 and later, this setting is configured to Send NTLMv2 responses only. For more information regarding Remote Desktop Configurations and Windows Servers, I suggest that you post your question on our TechNet forums instead. Terminal Server security may be enhanced by providing user authentication earlier in the connection process when a client connects to a Terminal Server. If you try to connect to a Windows 2008 R2 Server you might get the warning "remote computer requires Network Level Authentication". In Windows 7 (Windows Server 2008 R2), this option is called differently. This helps protect the remote computer from malicious users and malware. NLA requires that the user be authenticated to the RD Session Host server before a session is created. The default configuration of Windows 7, 2008, and 2012 allows remote users to connect over the network and initiate a full RDP session without providing any credentials. I found some posts there that might help you. On the Specify Authentication Method for Terminal Server page, select the Require Network Level Authentication. This allows an untrusted user […] For best security, you should require Network Level Authentication (NLA) for all connections. 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