Locating Xref using Geolocation not available if Xref is open

We're having a problem using the Geographic Data of an Xref to attach it in the proper position.
We've set up our drawings so that they all have a geolocation marked, so that any time you overlay a file, it's automatically placed in the correct spot.

Unfortunately, we've discovered that, if the xref is currently open on another computer, the "Locate using Geographic Data" checkbox is greyed out. If the xref is closed, then the checkbox becomes available.

Anyone know a fix/workaround??

Thanks!