How to Fix: [cscan][error][scan_perform_scan] unable to set log callback for libhostscan.

The error '[cscan][error][scan_perform_scan] unable to set log callback for libhostscan' occurs when the Cisco AnyConnect client is unable to establish a connection to the VPN server, specifically during the process of loading Cisco Secure Desktop. This issue affects users attempting to connect to a Cisco VPN using the AnyConnect client.

This error can be frustrating as it prevents the user from completing the necessary steps to connect to the VPN, resulting in a failed connection attempt. However, with the right troubleshooting steps, you should be able to resolve this issue and successfully connect to your Cisco VPN.

💡 Why You Are Getting This Error

• The primary reason for this error is due to a corrupted or missing libhostscan library. This library plays a crucial role in establishing the connection between the AnyConnect client and the VPN server. When the libhostscan library is not properly installed or corrupted, it can prevent the client from setting up a log callback, leading to the '[cscan][error][scan_perform_scan] unable to set log callback for libhostscan' error.
• Another possible cause of this error is an issue with the AnyConnect client's configuration. In some cases, the client may not be properly configured to work with the VPN server, resulting in the failure to establish a connection.

🔧 Proven Troubleshooting Steps

💡 Conclusion

To resolve the '[cscan][error][scan_perform_scan] unable to set log callback for libhostscan' error, you can try updating the libhostscan library or resetting the AnyConnect client configuration. If these steps do not work, it is recommended to contact Cisco support for further assistance.