Network folder in finder sidebar disappears

I have added a couple of network folders to the OS X finder sidebar as a shortcut. This is working great as long as I don't shutdown or restart the system. Once the system has been restarted they are no longer visible in finder sidebar. I have also added a Automator script that auto mounts my afp network drive on startup.

Why do network folders disappear? What can do?

Solution 1:

Drag the folder from the share to your desktop (Hold CMD and Alt). Then add that alias to the sidebar

Solution 2:

I kept losing folders on an SMB share that I'd dragged to the Finder Favorites. They would stay for a day or two, then vanish. None of the solutions I found online seemed to help (reboot,

I found a way to make them stay there: Make an alias (with contextual menu) to the folder on the SMB share you want a link to. Drag the alias to your desktop. Drag the symbolic link to Finder Favorites. [Mac OS Sierra (10.12.3), MacPro6,1]