Learn how to resolve the ERR_CONNECTION_RESET error in IIS. Our IIS Support team is here to help you with your questions and concerns.

About ERR_CONNECTION_RESET error in IIS 

IIS, short for Internet Information Services is a web server software developed by Microsoft. It is commonly used to host websites and web applications on Windows servers.

The “ERR_CONNECTION_RESET” error in IIS is a connection-related error. It often occurs when the client’s connection to the server is unexpectedly terminated or reset.

For example, when a client tries to establish a connection with an IIS server, different factors can cause the connection to be reset. Some common causes of include:

• Network Connectivity Issues
• Incorrect Firewall or Security Settings
• Incompatible Protocols
• SSL/TLS Certificate Issues

Troubleshooting Tips

Resolving the “ERR_CONNECTION_RESET” error in IIS involves identifying and addressing the cause behind the error. Our experts have put together these troubleshooting tips to help you out:

• First, we have to check the website as well as the browser to see if the error is specific to the site or not. In case the error is website specific, we can reach out to the site owners and inform them about the issue.
• Next, we have to check if an active proxy server defined in our internet settings is blocking the connection setup. We can verify this by inspecting the proxy settings and deactivating proxy access if necessary.
• Another cause behind the ERR_CONNECTION_RESET error is the browser cache. Clearing the browser cache can help fix the error in some cases.
• Furthermore, Windows users can fix the error by deleting the catalog entries in Winsock.
• If the above tips do not help, try rebooting the network device and check if the error persists.
• It is also a good idea to check if any firewalls or antivirus programs are blocking web applications or their IP addresses.

Let us know in the comments which one of the above tips helped you resolve the error.

[Need assistance with a different issue? Our team is available 24/7.]

Conclusion

In brief, our Support Techs demonstrated how to resolve the ERR_CONNECTION_RESET error in IIS.