babalae/better-genshin-impact · error · COMException

RDP ActiveX 未返回 AdvancedSettings7。

Error message

RDP ActiveX 未返回 AdvancedSettings7。

What it means

Error "RDP ActiveX 未返回 AdvancedSettings7。" thrown in babalae/better-genshin-impact.

Source

Thrown at BetterGenshinImpact/View/Controls/ChildSession/RdpActiveXHost.cs:97

        SetComProperty(client, "ColorDepth", 32);
        SetComProperty(client, "ConnectingText", "正在创建 BetterGI 桌面分身...");
        SetComProperty(client, "DisconnectedText", "BetterGI 桌面分身已断开");

        var securedSettings = GetComProperty(client, "SecuredSettings2")
            ?? throw new COMException("RDP ActiveX 未返回 SecuredSettings2。");
        RunComStep("设置系统组合键发送位置", () =>
            SetComProperty(
                securedSettings,
                "KeyboardHookMode",
                _sendSystemShortcutsToRemote ? 1 : 0));
        RunComStep("设置远程音频重定向", () =>
            SetComProperty(
                securedSettings,
                "AudioRedirectionMode",
                _audioMuted ? DisableRemoteAudio : RedirectAudioToClient));

        var advancedSettings = GetComProperty(client, "AdvancedSettings7")
            ?? throw new COMException("RDP ActiveX 未返回 AdvancedSettings7。");
        RunComStep("设置 RDP 连接端口", () =>
            SetComProperty(
                advancedSettings,
                "RDPPort",
                ChildSessionNativeMethods.GetConfiguredRdpPort()));
        RunComStep("启用 CredSSP", () =>
            SetComProperty(advancedSettings, "EnableCredSspSupport", true));
        RunComStep("启用远程 Windows 键", () =>
            SetComProperty(advancedSettings, "EnableWindowsKey", 1));
        RunComStep("设置显示缩放", () =>
            SetComProperty(advancedSettings, "SmartSizing", _smartSizingEnabled));

        object connectToChildSession = true;
        RunComStep("设置 ConnectToChildSession", () =>
        {
            var extendedSettings = (IMsRdpExtendedSettings)client;
            TrySetExtendedProperty(extendedSettings, "EnableZoom", true);
            extendedSettings.set_Property("ConnectToChildSession", ref connectToChildSession);

View on GitHub (pinned to a7cb36712d)

Solutions

1. 确认系统 RDP ActiveX 组件版本支持 AdvancedSettings7 接口
2. 更新 Windows 远程桌面客户端组件
3. 重启 BetterGI 后重试

Example fix

升级系统到受支持的 Windows 版本并打全补丁；确认 mstscax.dll 未损坏。

When it happens

Trigger: 读取 RDP ActiveX 的 AdvancedSettings7 属性返回 null，无法设置端口、CredSSP 等高级项时抛出。

Common situations: MsTscAx 组件版本不支持 AdvancedSettings7（过旧）或 COM 对象创建异常。

AI-assisted analysis of babalae/better-genshin-impact@a7cb36712d (2026-08-13). Data as JSON: /api/errors/60a7389593c4cc47. Report an issue: GitHub.