Saravana Kumar on X: "BizTalk Server 2006, 2006 R2, 2009, 2010 - out of mainstream support. BizTalk Server 2013, 2013 R2 got about 7 months left and 2016 got support till 2022.
The Biztalk Lifecycle – Biztalk Server Versions End Of Life
Microsoft BizTalk Server
BizTalk Server 2013 - Steef-Jan Wiggers Blog
Monitoring multiple versions of BizTalk Environments using BizTalk360 | BizTalk360 Blogs
Cumulative Update Package 1 for BizTalk Server 2013 R2 - Art2link Corporation
step by step guide to install biztalk server 2016 in multiserver environment - Microsoft Q&A
CU Package 8 – BizTalk Server 2013 R2. Improved for you. - Art2link Corporation
BizTalk Server 2013 R2 Licensing Datasheet - The Chronic
The Biztalk Lifecycle – Biztalk Server Versions End Of Life
BizTalk Server 2013 - Steef-Jan Wiggers Blog
BizTalk Port Multiplier Tool for BizTalk Server 2013 R2 - BizTalkGurus
BizTalk Server 2013 Performance Optimization Guide - BizTalk Server | Microsoft Learn