When trying to upgrade a file from Revit 2021 to either Revit 2024 or Revit 2025, it gets stuck at around 76% and never progresses any further. No pop-ups about families that can't upgrade etc, it just gets stuck at 76% and sits there all day with no error messages.
We have updated every other project to Revit 2025 in our office with no issues, just this one file that won't seem to upgrade.
We have already tried: Completely uninstalling all revit versions and re-installing. Tried upgrading the file on multiple different computers, still no luck.
I assume there must have been some sort of family or component in this file that is creating the conflict when upgrading.
Does anyone have suggestions on what else to try?
For the time being, we will just have to re-install Revit 2021 for anyone who needs to continue to work on this project.
In case it is relevant, this is a 3 Story single dwelling, with existing / demo and new phase modelling. Not a very complicated model. Mostly walls, floors, roofs and furniture components.
Try upgrading sequentially. 2021 to 2022, 2022 to 2023, 2023 to 2024, and then 2024 to 2025.
Update: I have successfully upgraded the file to Revit 2024, sequentially upgrading to each version along the way. However the project still won't upgrade from Revit 2024 to Revit 2025 - It gets stuck at 72% with no error messages, just stuck processing / regenerating unfortunately.
How many warnings does the project have now that it has been upgraded to 2024 successfully?
Groups?
Design Options?
In-place families?
DWG imports/links?
Did you see any warnings during prior upgrades as you worked your way up to 2024?
Steve Stafford
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It doesn't give any warnings at all when trying to upgrade to 2025, it's almost as if it doesn't get far enough through the upgrade to where the warnings usually pop-up. There was a warning upgrading to 2024 and I think it was an in-place family warning.
How many warnings (Review Warnings) does the project have?
Groups?
Design Options?
In-place families?
DWG imports/links?
Steve Stafford
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Sorry Steve, I didn't know that warning menu was a feature - See screenshot below - I can't see anything here that would be an issue - Should these ideally all be resolved?
Short answer, the higher the warning count the more likely it will impact your success. If you go to the last warning and expand that and scroll to the bottom you'll see how many total warnings there are. If you expand individual warnings you'll see how numerous they are for each. Less than 100 total shouldn't be too impactful, but >500 it's likely to have an impact and it indicates people are modeling with some bad habits.
You haven't answered regarding the number of groups, design options, in-place families, DWG imports/links yet. They can make it more difficult to process the upgrade. Also how many levels does your model have and how careful have people been to associate things to the correct level relationships?
Steve Stafford
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Thanks Steve, I'll get rid of as many as I can!
We hardly scratch the surface of what Revit can do, all of our models are quite basic and don't rely on volume calculations etc.
I'll let you know if this fixes the issue ![]()
Thanks again,
See my edited reply, I added some comments at the top and at the bottom.
Steve Stafford
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