[Solved] Fix Error Code 9000 Discord - 5 Minute Method

Verified & Tested Updated February 12, 2026

Quick Summary

Error Code 9000 on Discord typically indicates a failure to establish or maintain a stable voice connection. This usually means there's a problem with your network connectivity, Discord's servers, or your audio settings causing the disruption.

Common Causes

  • Network Connectivity Issues: Unstable or slow internet connection, firewall restrictions, or router problems can prevent Discord from establishing a reliable voice connection.
  • Discord Server Issues: Occasionally, Discord's servers may experience outages or maintenance, leading to connection problems for users.
  • Incorrect Audio Settings: Problems with your selected audio input/output device, volume levels, or exclusive mode settings can interfere with voice communication within Discord.
  • Outdated Discord Application: Using an outdated version of Discord can cause compatibility issues and connection problems.
  • Conflicting Applications: Other applications using your microphone or audio devices simultaneously may conflict with Discord's audio connection.

Step-by-Step Fixes

Method 1: Restart Discord and Your Device Show Steps ↓

Step 1: Close Discord completely. Make sure it's not running in the system tray.

Step 2: Restart your computer or mobile device.

Step 3: Open Discord again and try joining the voice channel.

Method 2: Check Your Internet Connection Show Steps ↓

Step 1: Ensure you have a stable internet connection by running a speed test (e.g., using Speedtest.net).

Step 2: If your connection is slow or unstable, try restarting your modem and router.

Step 3: If using Wi-Fi, try switching to a wired Ethernet connection for better stability.

Method 3: Check Discord's Server Status Show Steps ↓

Step 1: Visit Discord's status page (discordstatus.com) to check for any known outages or ongoing issues.

Step 2: If there are server problems, wait for Discord to resolve them; there's little you can do on your end.

Method 4: Reset Voice Settings Show Steps ↓

Step 1: In Discord, go to User Settings > Voice & Video.

Step 2: Scroll down to the bottom and click on Reset Voice Settings.

Step 3: Test your microphone to ensure it's working correctly.

Method 5: Ensure Correct Audio Device Selection Show Steps ↓

Step 1: In Discord, go to User Settings > Voice & Video.

Step 2: Verify that the correct Input Device and Output Device are selected.

Step 3: Adjust the Input Volume and Output Volume sliders as needed.

Method 6: Disable Quality of Service High Packet Priority Show Steps ↓

Step 1: In Discord, go to User Settings > Voice & Video.

Step 2: Scroll down to Quality of Service.

Step 3: Toggle the Enable Quality of Service High Packet Priority option to off.

Method 7: Disable Exclusive Mode Show Steps ↓

Step 1: Right-click the speaker icon in your system tray and select Sounds or Open Sound settings.

Step 2: Go to the Playback tab, select your output device, and click Properties.

Step 3: Go to the Advanced tab and uncheck Allow applications to take exclusive control of this device.

Step 4: Repeat steps 2 and 3 for your input device (microphone) under the Recording tab.

Method 8: Update Discord Show Steps ↓

Step 1: Close Discord completely.

Step 2: Re-open Discord. It should automatically check for and install any available updates.

Step 3: If Discord doesn't update automatically, download the latest version from the Discord website (discord.com) and install it.

Method 9: Check Firewall and Antivirus Settings Show Steps ↓

Step 1: Ensure that Discord is allowed through your firewall.

Step 2: Check your antivirus software to make sure it's not blocking Discord's connections.


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