Why Saving Revit Files to SMB Shares Is Slow and How to Fix It

BIM Software Tip: Slow Save When Using Revit with SMB Shares

Question:

When synchronizing or saving to an SMB network share, the storage process can be significantly slow. If the server is also acting as a domain controller and attempts to write to disk simultaneously, errors may occur.

Cause:

Revit uses a “write-through” method when saving files. This means that the save operation won’t complete until the entire file has been fully written to disk, bypassing any Windows write cache. On a domain controller, write caching is typically disabled by default, which can further increase save times.

Solution:

Try manually adjusting the frequency of shared updates in Revit’s options to optimize performance. Additionally, it is advisable to avoid storing Revit files on domain controllers to prevent these issues.

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