Realtek Audio Cannot connect to RPC service on Windows 11

Many of us use Realtek Audio drivers and its console for audio management on our Windows 11/10 computers. We can adjust audio settings in Realtek Audio Console. Some users are reporting that they are unable to open Realtek Audio Console and see Can not connect to RPC service error. In the guide, we offer suggestions that will help you resolve the issue.

Realtek Audio Console not opening or connecting to RPC

What is Microsoft Remote Procedure Call (RPC)?

Microsoft Remote Procedure Call (RPC) is a protocol that aids communication between Windows applications. It is designed as a communication protocol between applications either locally or over a network.

Realtek Audio Cannot connect to RPC service on Windows 11

If you are seeing a Cannot connect to RPC service error while opening the Realtek Audio Console, the following solutions can help you fix the issue:

1. Run Audio Troubleshooter
2. Update Realtek Audio drivers
3. Uninstall and reinstall Realtek Audio drivers
4. Install pending Windows Updates

Let’s get into the details and fix the issue.

1] Run Audio Troubleshooter

The good thing about Windows is that there are built-in troubleshooters that can help you fix many issues. Likewise, there is a Playing Audio troubleshooter that can help you fix any issues with the audio devices. Try running the Playing Audio troubleshooter and see if it finds and fixes any issues that are causing the Cannot connect to RPC service error.

To run the Playing Audio troubleshooter,

• Open the Settings app using the Win+I keyboard shortcut
• Click on Troubleshoot
• Then, click on Other troubleshooters
• You will find Playing Audio troubleshooter. Click on Run beside it. It will automatically find and fixes the issues.

2] Update Realtek Audio drivers

If you are seeing can not connect to RPC service error, it might be due to outdated drivers or missing files. You should try is to update the audio drivers via the Device Manager.

To update Realtek High Definition Audio drivers,

• Open Run Command box using Win+R on keyboard
• Type devmgmt.msc and press Enter. This will launch the Device Manager.
• In the Device Manager, expand the Sound, video and game controllers.
• Right-click on the Realtek High Definition Audio drivers you find there and select the Update driver option and follow the on-screen wizard to complete updating the Realtek audio drivers.

Now launch Realtek Audio Console and see if it has fixed the issue.

3] Uninstall and reinstall Realtek Audio drivers

If the issue is not yet fixed, you have to uninstall Realtek audio drives and reinstall them by downloading the suitable audio drivers from the manufacturer’s website.

To uninstall the Realtek High Definition Audio driver,

• Open Run Command box using Win+R on keyboard
• Type devmgmt.msc and press Enter. This will launch the Device Manager
• Expand Sound, video and game controllers from the list in Device Manager.
• Under this, locate the audio driver Realtek High Definition Audio.
• Right-click on it and select Uninstall device from the drop-down menu and follow the on-screen wizard to complete uninstallation.

Now, restart your PC.

Finally, go to realtek.com, download the executable or zip file of your Realtek Audio Driver, and install it on your computer.

Read: Realtek Driver update keeps being offered by Windows Update

4] Install pending Windows updates

If the issue is not fixed yet, it might be due to a glitch in the previous updates. You need to check if there are any pending updates including Driver and Optional Updates and install them on your PC.

To check for updates,

• Open the Settings app using the Win+I shortcut
• Click on Windows updates on the left side panel
• Now, click on the Check for updates button. It will check for pending updates and install them.

After installing the pending updates, restart your PC and see if the error is fixed or not.

How to fix cannot connect to RPC service in Realtek audio Console?

When you see the ” Cannot connect to RPC service error while opening the Realtek Audio Console, it can be fixed by updating Realtek audio drivers, reinstalling them, running the Playing Audio troubleshooter, or installing any pending Windows updates.

Why can’t I open Realtek Audio Console?

There might be many reasons you can’t open Realtek Audio Console. The Realtek audio drivers might be corrupted, or a program might be interfering with it, or the drivers might not be properly installed. You can use the above solutions to fix it.

Related read: Realtek HD audio manager not working or showing.