Link Dependencies

[Vinayak.S]

Link the dependencies between two projects i.e from one work space to another work space

[Aline]

Hi Vinayak,

You can link issues from different projects using the "Issue Link".  You must have permission to Browse (see) both projects and to link them.

https://confluence.atlassian.com/jiracoreserver073/linking-issues-861257339.html

You can link issues from different projects which are in different instances . 
For that, you must link the instances, have permission to browse the projects and link them.

Read more here

https://confluence.atlassian.com/adminjiraserver/federating-jira-managing-multiple-instances-961257360.html

Cheers