Views:

To address the issue, perform these steps:

Download and run IIS Crypto.
Ensure that TLS 1.2 is enabled and RC4 is disabled.
(Optional) Click Best Practices.
Click Apply.
Reboot the machine.

Error "ERR_SSL_VERSION_OR_CIPHER_MISMATCH" when accessing Worry-Free Business Security (WFBS) web console

Product / Version includes:

Worry-Free Business Security StandardAll

Last updated: 2023/04/20

Solution ID: KA-0014122

Category: Troubleshoot

Summary

When accessing the WFBS web console, you encountered the following error message:

"<WFBS Server FQDN> is using an unsupported protocol.
ERR_SSL_VERSION_OR_CIPHER_MISMATCH"

To address the issue, perform these steps:

Download and run IIS Crypto.
Ensure that TLS 1.2 is enabled and RC4 is disabled.
(Optional) Click Best Practices.
Click Apply.
Reboot the machine.

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