Windows login with the VIP credential provider integration fails with error: Event ID 36871 A fatal error occurred while creating a TLS client credential.
TLS 1.0/1.1 protocol is restricted on the network. Older versions of the VIP Plugin for MCP do not support TLS 1.2.
Upgrade to the latest version of the VIP plugin for Microsoft Credential Provider. Download the plugin from the DOWNLOAD section of VIP Manager. Installation instructions are available here.