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Event ID 505 — RD Gateway Server Configuration

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Applies To: Windows Server 2008 R2

For remote clients to successfully connect to internal network resources (computers) through a Remote Desktop Gateway (RD Gateway) server, the RD Gateway server must be configured correctly. The RD Gateway server must be configured to use an appropriate Secure Sockets Layer (SSL)-compatible X.509 certificate, and authorization policy settings must be configured correctly. Remote Desktop connection authorization policies (RD CAPs) specify who can connect to the RD Gateway server. Remote Desktop resource authorization policies (RD RAPs) specify the internal network resources that clients can connect to through an RD Gateway server.

Event Details

Product: Windows Operating System
ID: 505
Source: Microsoft-Windows-TerminalServices-Gateway
Version: 6.1
Symbolic Name: AAG_EVENT_LOG_EVENT_ENABLE_FAILED
Message: Logging could not be enabled for the following RD Gateway event: "%1". The following error occurred: "%2". To resolve this issue, ensure that the correct permissions have been granted to the LogEvents registry key and that the Remote Registry service is started.

Resolve

Ensure that the required permissions are granted to the LogEvents registry key and that the Remote Registry service started

To resolve this issue, ensure that the correct permissions are granted to the LogEvents registry key. If this does not resolve the problem, ensure that the Remote Registry service is started.

To perform these procedures, you must have membership in the local Administrators group, or you must have been delegated the appropriate authority.

Grant the required permissions to the LogEvents registry key

Caution:  Incorrectly editing the registry might severely damage your system. Before making changes to the registry, you should back up any valued data.

To grant the required permissions to the LogEvents registry key:

  1. On the RD Gateway server, click Start, click Run, type regedit, and then press ENTER.
  2. Navigate to the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\TerminalServerGateway\Config\Core\LogEvents subkey, right-click the subkey, and then click Permissions.
  3. In the Permissions for LogEvents dialog box, under Group or user names, click SYSTEM. Under Permissions for SYSTEM, if Full control is not allowed, select the Allow check box adjacent to Full control.
  4. In the same dialog box, under Group or user names, click Administrators. Under Permissions for Administrators, if Full control is not allowed, select the Allow check box adjacent to Full control.
  5. Click OK.

If the problem persists, determine whether the Remote Registry service is started, and if it is not, start it.

Determine whether the Remote Registry service is started

  • If you enable or disable a service and you encounter a problem starting the computer, you might be able to start the computer in Safe Mode. Then you can change the service configuration or restore the default configuration.
  • If you stop, start, or restart a service, any dependent services are also affected.

To determine whether the Remote Registry Service is started:

  1. Click Start, point to Administrative Tools, and then click Services.
  2. In the Services snap-in, find Remote Registry, and then confirm that Started appears in the Status column.
  3. If the status is not Started, right-click Remote Registry, and then click Start.
  4. If the attempt to start only the service fails, restart the computer. This forces all related and dependent services to restart.
  5. If you want the service to always start automatically after the server is restarted, right-click Remote Registry, click Properties, and in Startup type, select Automatic.

Verify

To verify that the RD Gateway server is configured correctly, examine Event Viewer logs and search for the following event messages. These event messages indicate that the Remote Desktop Gateway service is running, and that clients are successfully connecting to internal network resources through the RD Gateway server.

To perform this procedure, you do not need to have membership in the local Administrators group. Therefore, as a security best practice, consider performing this task as a user without administrative credentials.

To verify that the RD Gateway server is configured correctly:

  1. On the RD Gateway server, click Start, point to Administrative Tools, and then click Event Viewer.
  2. In the Event Viewer console tree, navigate to Application and Services Logs\Microsoft\Windows\TerminalServices-Gateway, and then search for the following events:
    • Event ID 101, Source TerminalServices-Gateway: This event indicates that the Remote Desktop Gateway service is running.
    • Event ID 200, Source TerminalServices-Gateway: This event indicates that the client is connected to the RD Gateway server.
    • Event ID 302, Source TerminalServices-Gateway: This event indicates that the client is connected to an internal network resource through the RD Gateway server.

RD Gateway Server Configuration

Remote Desktop Services