How Do I Fix 401 Unauthorized Error? Apr 2026

A means the server received your request, but it won’t let you in because you lack valid authentication. Essentially, the website doesn't know who you are or your login credentials aren't checking out.

Open Terminal and type sudo killall -HUP mDNSResponder . 6. If You Are the Website Owner How Do I Fix 401 Unauthorized Error?

Your browser stores "cookies" to remember who you are. If these cookies are outdated or broken, the server will reject them. Go to your browser settings. Clear . Restart your browser and try again. 5. Flush Your DNS A means the server received your request, but

If you’re seeing this on your own site, the issue is likely in your configuration: How Do I Fix 401 Unauthorized Error?

Look for "AuthUserFile" or "Require" rules that might be password-protecting directories.