SAS/CONNECT 9 clients can use Transport Layer Security (TLS) 1.2 and earlier releases. The SAS/CONNECT spawner for SAS Viya 2020 and later can use TLS 1.3 and  earlier releases.

During a SAS/CONNECT sign-on using TLS, negotiations between the client and the remote session occur. When a SAS/CONNECT 9 client connects to a SAS/CONNECT spawner in SAS Viya 2020 using TLS 1.3, the sign-on might fail with the following messages: 

The SAS/CONNECT spawner log will show that the connection was successful but then failed when the launch command was issued for the SAS/CONNECT server:

Click the Hot Fix tab in this note to access the hot fix for this issue.

Operating System and Release Information

Viya on Linux: An update for this issue is available for SAS Viya 3.5. For instructions on how to access and apply software updates, see the Updating Your SAS Viya software section in the SAS Viya 3.5 for Linux Deployment Guide at

A fix for this issue for Base SAS 9.4_M7 is available at: