Blue Protocol Error 102: Causes, Solutions, and Troubleshooting Guide


Blue Protocol is an online multiplayer action role-playing game developed by Bandai Namco Entertainment. Since its release, players have been enjoying the immersive gameplay and stunning visuals. However, like any online game, Blue Protocol is not immune to technical issues. One of the most common errors encountered by players is Error 102. In this article, we will explore the causes of Blue Protocol Error 102, provide solutions to fix it, and offer a troubleshooting guide to help players overcome this frustrating issue.

Understanding Blue Protocol Error 102

Blue Protocol Error 102 is an error code that players may encounter while trying to connect to the game servers. When this error occurs, players are unable to log in to the game and are greeted with a message stating “Error 102: Connection Failed.” This error can be frustrating for players who are eager to dive into the world of Blue Protocol.

Causes of Blue Protocol Error 102

There are several potential causes for Blue Protocol Error 102. Understanding these causes can help players troubleshoot and resolve the issue more effectively. Here are some common reasons why this error may occur:

  • Server Maintenance: Blue Protocol periodically undergoes server maintenance to ensure optimal performance and address any technical issues. During these maintenance periods, players may encounter Error 102 when attempting to connect to the game servers.
  • Internet Connection Issues: A stable and reliable internet connection is crucial for online gaming. If your internet connection is weak or unstable, it can result in Error 102. This can be caused by network congestion, router issues, or problems with your internet service provider.
  • Firewall or Antivirus Settings: Sometimes, the firewall or antivirus software on your computer may block the necessary connections to Blue Protocol servers, resulting in Error 102. This can happen if the game is not added to the list of allowed applications or if the security settings are too strict.
  • Server Overload: Blue Protocol is a popular game, and during peak hours, the game servers may become overloaded with players. This can lead to connection issues and Error 102.

Solutions to Fix Blue Protocol Error 102

Now that we understand the potential causes of Blue Protocol Error 102, let’s explore some solutions to fix this issue:

1. Check for Server Maintenance

If you encounter Error 102 while trying to connect to Blue Protocol, it is essential to check if the game servers are undergoing maintenance. Developers often announce scheduled maintenance on official forums or social media channels. If maintenance is ongoing, you may need to wait until it is completed before you can log in to the game.

2. Verify Your Internet Connection

Ensure that your internet connection is stable and reliable. Here are a few steps you can take to troubleshoot your internet connection:

  • Restart your router and modem.
  • Connect your computer directly to the modem using an Ethernet cable to rule out any Wi-Fi issues.
  • Run a speed test to check your internet connection’s speed and stability.
  • Contact your internet service provider if you continue to experience connection issues.

3. Adjust Firewall and Antivirus Settings

If your firewall or antivirus software is blocking the necessary connections to Blue Protocol servers, you can try adjusting the settings to allow the game. Here’s how:

  • Open your firewall or antivirus software settings.
  • Add Blue Protocol to the list of allowed applications or exceptions.
  • Disable any overly strict security settings temporarily to see if it resolves the issue.

4. Try Connecting During Off-Peak Hours

If you consistently encounter Error 102 during peak hours, it may be worth trying to connect to Blue Protocol during off-peak hours. This can help you avoid server overload and improve your chances of successfully logging in to the game.

Troubleshooting Guide for Blue Protocol Error 102

If the above solutions do not resolve Blue Protocol Error 102, you can follow this troubleshooting guide to further diagnose and fix the issue:

1. Clear Game Cache

Clearing the game cache can help resolve any corrupted or outdated files that may be causing Error 102. Here’s how to clear the game cache:

  • Close Blue Protocol and any other running applications.
  • Navigate to the game installation folder on your computer.
  • Delete the cache folder or any files with a .cache extension.
  • Restart your computer and launch Blue Protocol again.

2. Update Graphics Drivers

Outdated or incompatible graphics drivers can sometimes cause issues with Blue Protocol. Updating your graphics drivers to the latest version can help resolve Error 102. Here’s how to update your graphics drivers:

  • Identify your graphics card manufacturer (e.g., NVIDIA, AMD, Intel).
  • Visit the manufacturer’s website and navigate to the drivers or support section.
  • Download the latest drivers for your specific graphics card model and operating system.
  • Install the downloaded drivers and restart your computer.

3. Disable VPN or Proxy

If you are using a VPN or proxy service, try disabling it temporarily. VPNs and proxies can sometimes interfere with the game’s connection to the servers, resulting in Error 102. Disabling these services can help determine if they are the cause of the issue.

4. Contact Customer Support

If you have tried all the above solutions and are still unable to resolve Blue Protocol Error 102, it is recommended to contact the game’s customer support. Provide them with detailed information about the issue, including any troubleshooting steps you have already taken. The customer support team may be able to provide further assistance or escalate the issue to the developers for investigation.


Blue Protocol Error 102 can be a frustrating obstacle for players eager to enjoy the immersive world of the game. By understanding the causes of this error and following the provided solutions and troubleshooting guide, players can overcome this issue and get back to their adventures in Blue Protocol. Remember to check for server maintenance, verify your internet connection, adjust firewall and antivirus settings, and try connecting during off-peak hours. If all else fails, clearing the game cache, updating graphics drivers, disabling VPN or proxy, and contacting customer support can help resolve Error 102. With these steps, players can minimize downtime and maximize their enjoyment of Blue



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