Can xcp 1.x (taskspace) application co-exisit with xcp 2.1 application in the latest version of content server environment.
Yes, the xcp2.1 application can co-exist with xcp1.x application.
You may refer to the migration guide for more details.
https://support.emc.com/docu51365_White-Paper:-Type-Adoption-in-xCP-Applications.pdf?language=en_US
Regards
Malthi