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To configure the Remote Desktop applications of the clients to perform two separate authentications. One of these authentications is on the Remote Desktop Gateway, that is, on One Identity Safeguard for Privileged Sessions (SPS). The other authentication is on the target server. For details on configuring SPS to act as a Remote Desktop Gateway (or RD Gateway), see Using One Identity Safeguard for Privileged Sessions (SPS) as a Remote Desktop Gateway.
SPS must be configured to act as a Remote Desktop Gateway. For details, see Using One Identity Safeguard for Privileged Sessions (SPS) as a Remote Desktop Gateway.
The client must use version 6.1 or newer of the Remote Desktop application.
The target server must be member of a domain.
The logical interface of SPS must be accessible from the client. You might have to add the address of the logical interface to the Windows/System32/Drivers/etc/hosts file to accomplish this.
To configure Remote Desktop clients for gateway authentication
On your Windows client, start the Remote Desktop Connection application and select Advanced > Settings.
Figure 192: Configuring Remote Desktop clients to use SPS as a Remote Desktop Gateway (or RD Gateway)
Configure the client to use SPS as its Remote Desktop Gateway. Select Connection settings > Use these RD Gateway settings.
Figure 193: Configuring Remote Desktop clients to use SPS as a Remote Desktop Gateway (or RD Gateway)
Enter the address of SPS into the Server name field. Use the address of the SPS's logical interface that you have configured to accept RDP connections.
Select Logon method > Ask for password (NTLM).
Uncheck the Bypass RD Gateway server for local addresses and Use my RD Gateway credentials for the remote computer options.
Technically, gateway authentication is performed even if the Use my RD Gateway credentials for the remote computer option is selected, but the same credentials are used on the gateway and on the remote server.
Into the Username enter the domain username (for example, exampledomain\exampleusername).
Depending on your network environment, it might take up to a minute until the connection is established.
To use inband destination selection with RDP connections, it is recommended to use One Identity Safeguard for Privileged Sessions (SPS) as a Remote Desktop Gateway (or RD Gateway). For details, see Using One Identity Safeguard for Privileged Sessions (SPS) as a Remote Desktop Gateway.
To use inband destination selection with RDP connections without using One Identity Safeguard for Privileged Sessions (SPS) as a Remote Desktop Gateway (or RD Gateway), you must use SSL-encrypted RDP connections (see Enabling TLS-encryption for RDP connections).
Configure your RDP clients so SPS can record the username of client uses in the connection. If you do not configure these settings on the clients, SPS will automatically display a login screen for the users to enter their usernames and passwords. Note that although SPS automatically displays a login screen if it cannot determine the username used in the connection, currently you cannot specify the destination address in this login screen, only in your RDP client application.
On Windows Vista SP1 and newer platforms (Remote Desktop Protocol 6.1 or newer):
Navigate to Local Group Policy Editor > Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Connection Client and enable the Prompt for credentials on the client computer option in the clients. For details, see the Microsoft Documentation.
On Windows Vista and older platforms (Remote Desktop Protocol 6.0 or older):
Configure your RDP clients to save the credentials, or make sure that the Allow me to save credentials option is selected in the RDP client.
Also, your users have the option to encode the address of the destination server in their username, in the username field of their client application. Note that SPS automatically displays a login screen if it cannot determine the username used in the connection, or you have not encoded a destination server in the username field. You can specify the destination address in the login screen when prompted.
When encoding the address of the destination server in the username, there are a few points to keep in mind. Since most RDP client applications limit which special characters can be used in usernames, this is not always intuitive. For the Microsoft Remote Desktop application (mstsc) and the login screen that SPS displays, note the following points:
Use % character to separate the fields, for example: username%my-targetserver
To specify the port number of the server (if it does not use the default port), use the caret ^ character, for example: username%my-targetserver^6464
To specify an IPv6 address, replace the colons with carets, and enclose the address in parentheses. For example, to target the ::1 IP address, use username%(^^1). To target port 6464 of the same server, use username%(^^1)^6464.
When processing RDP connections, One Identity Safeguard for Privileged Sessions (SPS) attempts to extract the username from the connection. For example, you need the username to:
Use gateway authentication for the connection. For details on gateway authentication, see "Configuring gateway authentication" in the Administration Guide.
Use usermapping policies. In this case, SPS compares the username on the server with the username on the gateway. For details on usermapping policies and gateway authentication, see "Configuring usermapping policies" in the Administration Guide and "Configuring gateway authentication" in the Administration Guide, respectively.
In certain cases, SPS receives an empty username from the server, and the connection will be denied by the usermapping policy unless a policy is set for the connection that allows every user for the given group. To add such a policy, specify * in the Username on the server field of the usermapping policy. For a list of cases when SPS receives empty username, see Windows settings that interfere with username extraction.
Search or filter connections by the username on the SPS search interface, or create automatic statistics based on the username.
Find the connection of the user on the Four Eyes and Active Connections pages.
Usernames are also essential if you want to use One Identity Safeguard for Privileged Analytics. If you are interested in One Identity Safeguard for Privileged Analytics, contact our Sales Team, or your One Identity representative.
SPS can record the username automatically if the RDP connection is using Network Level Authentication (CredSSP), and usually in other scenarios as well. If SPS cannot automatically extract the username, it displays the following login screen, which allows you to paste text-based clipboard contents. Note that SPS can display this login screen only in TLS-encrypted connections.
The known scenarios that interfere with RDP usernames are listed in Windows settings that interfere with username extraction.
Figure 194: Server-side login in RDP
To ensure that your users can access the target servers only when their username is recorded, you can configure SPS to terminate RDP connections if it cannot reliably extract the username. To terminate such connections, clear the RDP Control > Settings > Permit unreliable usernames option.
The following settings on the Windows client or server can prevent SPS from correctly extracting the username from the RDP connection. As a result, the username is not visible on the Search, Four Eyes and Active Connections pages.
The DontDisplayLastUserName option is enabled on the server. The DontDisplayLastUserName security setting of Windows servers specifies whether the username from the last successful login is displayed on the login screen as a default for the next login. To disable the DontDisplayLastUserName security setting, do one of the following.
Disable the HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\DontDisplayLastUsername registry setting. For more details, see the DontDisplayLastUserName TechNet article.
Registry settings can be overridden by Group Policy settings.
Disable this option in the Computer Configuration\Windows Settings\Security Settings\Local Policies\Security Options policy. For details, see Do not display last user name in logon screen TechNet article.
There is no server-side authentication. To avoid this problem, ensure that your server requires authentication from the users.
If the server is Windows 2003 Server or Windows XP and the Allow to save credentials or Remember my credentials options are enabled in the Remote Desktop client application. In this case, disable these options on the client, and delete any credentials that have already been saved on the client.
You can use automatic RDP login on Windows, but the stored credentials are not trusted by default, and you have to enter the password for each connection. Create the following local policies on the client to allow delegating saved credentials:
Start the Group Policy Editor: run gpedit.msc.
Navigate to Local Computer Policy > Computer Configuration > Administrative Templates > System > Credentials Delegation.
Open the Allow Delegating Saved Credentials with NTLM-only Server Authentication policy.
Click Show and enter TERMSRV/*.
Open the Allow Delegating Saved Credentials policy.
Click Show and enter TERMSRV/*.
Open the Allow Delegating Default Credentials with NTLM-only Server Authentication policy.
Click Show and enter TERMSRV/*.
Open the Allow Delegating Default Credentials policy.
Click Show and enter TERMSRV/*.
Verify that the Deny Delegating Saved Credentials policy does not contain TERMSRV/* in the list.
Close the Group Policy Editor.
From the command line, issue the gpupdate /force command.