⚠️ 3 verified solutions available for Error 71 — Last updated 2026-03-13
Error 71 📋

How to Fix ERROR_REQ_NOT_ACCEP (Error 71)

Error 71 occurs when a remote computer has reached its maximum connection limit, preventing further connections. This error is typically seen in Windows environments when trying to access a remote computer or server. It's a sign that the remote computer's resources are fully utilized.

🏷️ Code: 71 📛 ERROR_REQ_NOT_ACCEP 📅 Updated: 2026-03-13 ⏱️ 3 Solutions

🎮 Common Scenario: Are you experiencing Error 71 while launching or installing AutoCAD? The solutions below directly address the system interactions specific to this application.

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📑 Table of Contents
What is Error 71? Common Causes Step-by-Step Solutions Prevention Tips Related Errors

💡 What is Error 71?

To resolve Error 71, it's essential to identify the root cause of the issue. This may involve checking the remote computer's configuration, network settings, and system resources. Once the cause is identified, the necessary steps can be taken to resolve the issue. For instance, if the remote computer's connection limit is set too low, it may be necessary to increase the limit or optimize system resources to allow for more connections. In other cases, it may be necessary to adjust network settings or configure firewall rules to allow connections to the remote computer. By taking a systematic approach to troubleshooting and resolving Error 71, users can quickly restore access to the remote computer and minimize downtime.

⚠️ Common Causes

  • The remote computer has reached its maximum connection limit
  • Network configuration or firewall settings are preventing connections
  • The remote computer's system resources are fully utilized
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✅ Step-by-Step Solutions

1 Increase the remote computer's connection limit
  1. Open the Registry Editor on the remote computer
  2. Navigate to the key that controls the connection limit
  3. Modify the value to increase the connection limit
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2 Adjust network settings
  1. Check the network configuration on the remote computer
  2. Ensure that the network settings allow connections from the desired IP addresses or subnets
  3. Adjust the network settings as needed
3 Optimize system resources
  1. Check the system resources on the remote computer
  2. Identify any resource-intensive processes or applications
  3. Optimize or terminate the resource-intensive processes to free up system resources

🛡️ Prevention Tips

  • Regularly monitor the remote computer's system resources and connection limit
  • Configure the remote computer to alert administrators when the connection limit is approaching
  • Implement measures to prevent excessive connections, such as rate limiting or connection throttling
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Last updated: 2026-03-13
📖
Based on Official Microsoft Documentation
Solutions Tested on Windows 10 & 11
Error codes sourced from Microsoft Win32 SDK. Updated 2026-03-13.
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