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- Outdated Discord Application: Using an outdated version of Discord can cause compatibility issues and connection problems.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
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
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
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
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
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
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
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
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
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.