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Monday, December 1, 2014

Upgrading Revit files using eTransmit if you are faced with "central model could not be reached" error

Why does this happen? Because the Bulk File Upgrader doesn't work if it is trying to upgrade a Local and it can't find a Central (I believe this is a Revit API thing)... and you may get this error:
filename.rvt could not be upgraded: The file-based central model could not be reached, because e.g. the network is down or the file server is down. 

The core problem here is that someone has probably given you a Local copy, when they should have given you a Central or Detached copy to link into your project.

If we want to upgrade lots of these "local-type" linked files, how can we get around this batch upgrade limitation? We will need to to use eTransmit - twice. Let's say we are upgrading from Revit 2013 to Revit 2015:

  1. Make a blank 2013 RVT project
  2. Link in all the 2013 version files you want to upgrade
  3. Save the host file in 2013 and close it
  4. Transmit the host using Revit 2013, including Links and tick the 'Open and Save models in the active version of Revit' option (this places the newly saved linked models into a transitory state, where you can choose to save as central or work with this model temporarily)
  5. Open Revit 2015
  6. Addins - Transmit a Model
  7. Choose the output eTransmitted 2013 host file from step 4
  8. Make sure to tick the "Linked Revit models" and "Cleanup" boxes
  9. Click Transmit Model and wait for all of the files to be upgraded (yay)
  10. Remember to discard the host file before transmitting or copying the files

Note: using the "Add Files" option in eTransmit and adding RVTs manually will not upgrade them.

Here's the link for eTransmit for Autodesk Revit 2015.

Also, you *might* have to press ok after each if you get this error (Easy Keynoter?)

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