Hi,
Do you mean that you modify the file but the file doesn't save the changes and revert to the previous version?Does it happen occasionally or frequently?
If so, please try to modify the file with UNC path \server\sharefolder and check if the problem happens again.
Or do you mean that the DFS replication between servers are out of sync?
If so, please check the Health Report in DFS management and check if there’s any event ID in Applications and service logs>DFS Replication and, if yes, please provide the detailed error information.
Thanks for your time!
Best Regards,
Mico Mi
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