Fix ERR_SSL_KEY_USAGE_INCOMPATIBLE Error in Chrome and Edge Browsers

Key Notes

  • Clearing browsing data can resolve temporary SSL certificate issues.
  • Updating your browser often fixes compatibility issues.
  • Contacting website owners can provide insight on SSL certificate problems they may not be aware of.

Resolving the ERR_SSL_KEY_USAGE_INCOMPATIBLE Error in Chrome and Edge Browsers

Encountering the ERR_SSL_KEY_USAGE_INCOMPATIBLE error while browsing can be frustrating, and understanding how to address it is crucial for a seamless online experience. This guide will walk you through effective steps to resolve this particular SSL certificate issue, ensuring secure access to websites.

Solutions for ERR_SSL_KEY_USAGE_INCOMPATIBLE Error

If you’re facing the ERR_SSL_KEY_USAGE_INCOMPATIBLE error, follow these practical troubleshooting steps to regain access to your favorite websites.

Step 1: Clear Your Browsing Data

Navigate to the Settings menu in your Chrome or Edge browser. Go to Privacy and Security, then select Clear Browsing Data. Make sure the Time Range is set to All Time. Check the boxes for cookies and cached images, then click the Clear Data button.

Pro Tip: Regularly clearing your browsing data helps maintain optimal browser performance and security.

Step 2: Update Your Browser to the Latest Version

Access the Settings menu, then locate the About Chrome or Edge section. The browser will automatically check for updates. If any updates are available, proceed to install them, and then restart your browser.

Pro Tip: Keeping your browser updated not only fixes issues but also enhances security and performance.

Step 3: Contact the Website Owner

Informing the website owner about the SSL certificate issue can help them identify and rectify the problem on their end. This collaborative approach often leads to quicker resolutions.

Pro Tip: When contacting support, provide specific details about the error along with steps to reproduce it, if possible.

Step 4: Disable RSA Key Usage Group Policy

For advanced users, disabling RSA Key Usage in the group policy may resolve the issue:

  • Launch the Registry Editor with administrative privileges.
  • Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome for Chrome or HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge for Edge.
  • Create a new DWORD (32-bit) Value and name it RSAKeyUsageForLocalAnchorsEnabled.
  • Set its value to 0x00000000 (0).
  • Close the browser and relaunch it.

Pro Tip: Ensure to back up the registry before making any changes to avoid system issues.

Summary

The ERR_SSL_KEY_USAGE_INCOMPATIBLE error may be disruptive, but following the recommended steps of clearing browsing data, updating your browser, contacting the website owner, and adjusting group policy settings can effectively resolve this issue.

Conclusion

Navigating through SSL errors can be daunting, but with these troubleshooting strategies, you can regain access to secure browsing. Don’t hesitate to reach out for support when needed, as issues often stem from server-side configurations.

FAQ (Frequently Asked Questions)

What does the error ERR_SSL_KEY_USAGE_INCOMPATIBLE mean?

This error indicates that there is a configuration issue with the SSL certificate of a website, preventing the browser from securely connecting to it.

Is it safe to disable RSA Key Usage?

Disabling RSA Key Usage should only be done if you are aware of the implications, as it may expose certain vulnerabilities.