Microsoft ended support for the Microsoft Vista operating system on April 11, 2017. This operating system is no longer considered secure and is not PCI Compliant for credit card security. The Vista operating system only supports Transport Layer Security (TLS) 1.0 and does not support TLS 1.1 or TLS 1.2 which makes all communication between that computer and cloud based services like SiteLink not secure.
On October 31st, 2017, SiteLink will block all TLS 1.0 connections to our infrastructure to maintain the highest levels of security. If you are using the Microsoft Vista operating system, you will no longer be able to connect to SiteLink. You need to update any Vista computers running SiteLink to a newer operating system before that time to ensure continuity of service. SiteLink recommends using the Windows 10 operating system, but at this time we continue to support Windows 7, Windows 8 and Windows 10.
Transport Layer Security (TLS) is the security mechanism that allows for secure communication to any HTTPS website or web service. Anytime you use a website browser to access a secured website, your computer is using either TLS 1.0, TLS 1.1, or TLS 1.2. The greater the version number, the better the security. For PCI Compliance (credit card security) it is required that TLS 1.0 be disabled since it is no longer secure. TLS 1.1 and TLS 1.2 are still considered secure and are now required.
If you have any questions, please contact the SiteLink support team.