Acronis Cyber Protect Home Office (formerly Acronis True Image) supports Windows Home Server 2011.
Acronis True Image 2021/2020/2019/2018/2017, Acronis True Image 2016, Acronis True Image Cloud (Release 2016), Acronis True Image Unlimited, Acronis True Image 2015, Acronis True Image 2014, True Image 2013 by Acronis and Acronis True Image Home 2012 support Microsoft Windows Home Server 2011.
Other Microsoft Windows Home Server versions are not supported by Acronis True Image.