Fix Zoom Unable To Connect Error Code 5003

How to Fix Zoom Unable to Connect Error Code 5003

You may face the following prompt when you try to log in to Zoom. Make sure you are connected to the internet and your connection to Zoom is not blocked by a firewall or proxy. In most simple cases, Zoom error 5003 is due to any internal server error, network-related issue, or if Zoom fails to launch in your PC. Other than this, some other reasons contribute to the discussed error. They are listed as follows.

How to Fix Zoom Unable to Connect Error Code 5003 Preliminary Checks Method 1: Restart Zoom Method 2: Run Internet Connections Troubleshooter Method 3: Add Zoom as Trusted Site Method 4: Disable VPN Method 5: Update Zoom Method 6: Disable Antivirus (Temporarily) Method 7: Whitelist Zoom in Firewall Method 8: Reset Network Adapter Settings Method 9: Update or Reinstall Network Drivers Method 10: Change DNS Addresses Method 11: Reset LAN Settings Method 12: Reinstall Zoom Method 13: Contact Zoom Support

Internet connectivity failure. Server down for maintenance or some other reasons. Firewall or antivirus program is blocking Zoom. Outdated Zoom client and outdated network drivers. Incompatible Network Adapter settings. VPN/ Proxy server is incompatible with the Zoom client.

Preliminary Checks

When the internet connectivity does not meet the requirements of Zoom, you may face error code 5003.

You can run a Speed test to know the optimum level of network speed required for the proper connection. You can also prefer a new faster internet package and buy it from your network provider. If you are using a Wi-Fi connection, restart your router or reset it if necessary. Switching to a wired connection would be a wise choice. You may face Zoom error 5003 when servers are down. Any technical glitch or heavy traffic can lead to server failure thereby throwing Zoom unable to connect error. You can check the server status and have a glance in social media whether others are also facing the same problem.

1. Launch your favorite browser and navigate to Zoom Service Status page.

2. Check whether you see the All Systems Operational message and if you see some maintenance activity, then you have no other chance but to wait.

3. If the servers are back, try to connect again and check if you face the error. Here are some effective troubleshooting methods that will help you fix Zoom error 5003. Follow the methods in the same order to attain perfect results.

Method 1: Restart Zoom

Restarting your computer might help you resolve all types of temporary glitches. Many internet problems and any memory issues that occur due to long usage of the device can be resolved by restarting the PC. You can alternatively shut down your computer and start it again after a few minutes. If rebooting the PC does not give you a fix, then you can try to restart Zoom as discussed below.

1. Launch Task Manager by searching it in the Windows search bar.

2. In the Task Manager window, click on the Processes tab.

3. Search and select the Zoom tasks that are running in the background and select End Task

4. Relaunch Zoom again.

Method 2: Run Internet Connections Troubleshooter

You may face Zoom unable to connect error if there are any glitches or bugs in the network connection & its components, troubleshooting it will help you resolve the same. Follow the method as instructed below:

1. Press Windows + I keys simultaneously to launch Settings.

2. Click on the Update & Security tile, as shown.

3. Go to Troubleshoot menu from the left pane.

4. Select Internet Connections and click on the Run the troubleshooter button as highlighted below.

5. Choose the Troubleshoot my connection to the Internet option.

6. Wait for the troubleshooter to detect problems.

7. Follow on-screen instructions. Once the process is complete, restart your PC. Also Read: Show Profile Picture in Zoom Meeting Instead of Video

Method 3: Add Zoom as Trusted Site

Sometimes, your Windows 10 PC may consider some websites as insecure ones to ensure privacy and security. To resolve this, add Zoom as a trusted site on your computer as instructed below.

1. Hit the Windows key and type Control Panel and Open.

2. Set the View by option to Large icons and click on Internet Options.

3. Select the Security tab and click on the Trusted sites symbol followed by Sites and click Ok.

4. In the next window, you can add https://zoom.us/ and other zoom pages in the Add this website to the zone: field by using the Add option. Note: Cannot find Add button, check it out why?

5. Close the Trusted sites window and click on Apply and OK in the Internet Properties window to save the changes.

Method 4: Disable VPN

Although VPN is preferred for privacy purposes, it may slow down the internet speed more often. If you are connected to a slow VPN server, your connection will be very slow and you might face Zoom error 1001 and 5003.

1. Exit from Zoom and make sure you close all the Zoom programs from Task Manager.

2. Press the Windows button and search Proxy and Open

3. Here, toggle OFF the following settings.

Automatically detect settings Use setup script Use a proxy server

4. Launch Google Chrome again and try if you can launch Zoom without any errors.
5. If not, try connecting your PC to another network like Wi-Fi or a mobile hotspot. Also Read: How to Take Zoom Meeting Screenshot

Method 5: Update Zoom

Using an updated version of the application will keep your device away from any sort of errors. The latest version will fix all the bugs and errors and if you use an old version of Zoom, update it as instructed below.

1. Launch Zoom and click on the Profile.

2. Select the Check for Updates option.

3. Make sure you receive the prompt, You are up to date. If any updates are pending in action, follow the on-screen instructions to update it.

Note: You can also enable automatic Zoom updates by checking on the Automatically keep Zoom desktop client up to date option in Settings.

Method 6: Disable Antivirus (Temporarily)

Antivirus protection suite is a much-needed program/ application in your Windows 10 PC. It keeps your PC away from malware attacks and threats. Yet, some programs consider a few applications or sites as threats and block them thereby keeping you away from accessing their features. Zoom is not an exclusion. For a safer side, add Zoom as an exclusion in the antivirus program or disable antivirus temporarily if it is an extreme case. Option I: Whitelist Zoom in Antivirus

1. Go to the search menu, type Avast and click on the Menu option at the top right corner as shown. Note: You can search the antivirus that you are using in my case it is avast.

2. Click on Settings.

3. In the General tab, switch to the Blocked & Allowed apps tab and click on ALLOW APP under the List of allowed apps field.

4. Click on ADD option corresponding to Zoom to add the application to the whitelist.

Note: You may also browse for the app path by selecting the SELECT APP PATH option. 4. Finally, click on ADD to confirm the prompt, and now, you have added your application or program in Avast Whitelist. 5. If you want to remove the application/program from the Avast whitelist, then click on the three-dotted icon in the main Settings window. You will see two options over here.

Change allowed features – This option will let you change the features which you have enabled while whitelisting the program. Remove – This option will remove the program from the Avast whitelist.

6. Reboot your PC and check if you face the error again. Still, if you did not attain any fix disable the program from your PC as instructed below. Option II: Disable Antivirus

7. Navigate to the Antivirus icon in the Taskbar and right-click on it.

8. Now, select the Avast shields control option, and you can temporarily disable Avast using the below options:

Disable for 10 minutes Disable for 1 hour Disable until computer is restarted Disable permanently

3. Choose the option according to your convenience and confirm the prompt displayed on the screen.

4. Now, go back to the main window. Here, you have turned off all shields from Avast. To activate the settings, click on TURN ON.

Also Read: How to Play Outburst on Zoom

Method 7: Whitelist Zoom in Firewall

Similarly, Windows Defender Firewall might block the application, leading to error code 5003. Here are a few steps to whitelist Zoom in Windows Defender Firewall.

1. Press the Windows key and type Windows Defender Firewall and Open.

2. In the pop-up window, click on Allow an app or feature through Windows Defender Firewall.

3. Click Change settings. Finally, check for Zoom to allow through the Firewall.

You can use Allow another app… to browse your Program if Zoom does not exist in the list. 4. Finally, click OK to save the changes. Check if you have fixed Zoom unable to connect.

Method 8: Reset Network Adapter Settings

To resolve the network connectivity issues, reset the network adapter settings as instructed below.

1. Press the Windows key, type cmd or command prompt and open it as Run as administrator.

2. Now, type the following commands one by one and hit Enter key after each command.

3. Wait for the commands to be executed and reboot your PC once completed. Also Read: Fix Zoom is Unable to Detect a Camera

Method 9: Update or Reinstall Network Drivers

Outdated or incompatible network drivers in your PC will more often lead to Zoom error code 1132 or 5003. Try updating them to the latest version or reinstalling them if necessary. Option I: Update Drivers

1. Type Device Manager in the Windows search bar and Open.

2. Click the Network adapters on the main panel and double click.

3. Right-click on your driver (e.g Intel(R) Dual Band Wireless-AC 3168) and click Update driver.

4. Click on Browse my computer for drivers to locate and install a driver manually.

5. Click on the Browse… button to choose any directory and then click on Next

5A. Now, the drivers will be updated to the latest version if they are not updated. 5B. If they are already in an updated stage, the screen displays the following message, The best drivers for your device are already installed.

6. Click on Close to exit the window. Option II: Reinstall Drivers

7. Launch the Device Manager and expand Network adapters by double-clicking on it as mentioned in Method 11A.

8. Right-click on the driver and select Uninstall device.

9. A warning prompt will be displayed on the screen. Check the box “Delete the driver software for this device” and confirm the prompt by clicking Uninstall.

10. Visit the manufacturer’s website (e.g. Intel) to download the driver manually.

11. Once downloaded, double-click on the downloaded file and follow the given instructions to install it.

Method 10: Change DNS Addresses

Several users have reported that Zoom error code 5003 will be fixed by changing the DNS address provided by your Internet Service Provider. You may use Google DNS address to tackle the issue and here are a few instructions to change the DNS address of your PC.

1. Launch the Run dialog box by pressing Windows + R keys together.

2. Type ncpa.cpl and hit Enter key.

3. Right-click on your active Network adapter and click on Properties.

4. The Wi-Fi Properties window will pop up. Click on Internet Protocol Version 4(TCP/IPv4) and click on Properties. Note: You can also double-click on Internet Protocol Version 4(TCP/IPv4) to open the Properties window.

5. Select Use the following DNS server addresses option. Then, enter the below-mentioned values in the field of Preferred DNS server and Alternate DNS server respectively. 8.8.8.8 8.8.4.4

6. Select Validate settings upon exit and click on OK.

7. Close the window, and this method will fix the Forbidden error 403. Also Read: Fix Zoom Audio Not Working Windows 10

Method 11: Reset LAN Settings

Several network connectivity issues may lead to Zoom unable to connect error, and you can fix them by resetting local network settings as discussed below.

1. Open Control Panel by typing it in the Windows search bar.

2. Set the View by option to Category and select the Network and Internet.

3. Click on Internet Options.

4. Now, in the Internet Properties window, switch to the Connections tab and select LAN settings.

5. Check the box Automatically detect settings and ensure Use a proxy server for your LAN box is unchecked (unless you need it) and click OK to save the changes.

Also Read: How to Turn Off my Camera on Zoom?

Method 12: Reinstall Zoom

If none of the methods have helped you, then try to reinstall the software if possible. All the settings and configurational setup will be refreshed when you reinstall Zoom, and hence there are more chances that you would attain a fix for your problem.

1. Press the Windows key, type Control Panel and click on Open.

2. Now, select the Programs and Features option as highlighted.

3. Now, on the list, click on Zoom and select the Uninstall option.

4. Then, confirm Uninstall in the pop-up prompt. Then, reboot your PC after uninstallation is completed.

5. Download Zoom from the official website.

6. Now, navigate to My downloads and launch the ZoomInstaller file.

7. Follow the on-screen instructions to complete the installation on your PC.

Method 13: Contact Zoom Support

If this doesn’t work, try to contact the Zoom support page and check if you face error 5003 again. Still, if you did not attain any fix for Zoom error 5003, it’s better to contact your Internet Service Provider (ISP) to seek some help.

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We hope that this guide was helpful and you could fix Zoom Unable to Connect Error Code 5003. Let us know which method worked for you the best. Also, if you have any queries/suggestions regarding this article, then feel free to drop them in the comments section.