Windows 10: File path lengths OneDrive sync from SharePoint online

Chris Searle ChrisSearle · Jan 5, 2021

I have hunted around for a solution and can't find any recent posts.

SP allows path lengths of 400 characters but synching to the OneDrive client runs into errors accessing files with paths over 260 characters. Has anyone found a viable fix for this? Our pilot folders 200GB mixed folders with pretty deep file structure didn't throw up this problem, migrating the balance of the company and users are getting problems.

[Moved from OneDrive for Business / Windows 10 / Microsoft 365 Apps or Office 365 Business]

:)

Brink · Jan 5, 2021

OneDrive sync now supports IRM protected SharePoint document libraries

Information Rights Management (IRM) lets people set access permissions to help prevent sensitive information from being printed, forwarded, or copied by unauthorized people. When permission for a file is restricted by using IRM, the access and usage restrictions are enforced even if the file reaches unintended recipients. This is because the access permissions are stored in the document, workbook, presentation, or e-mail message itself, and these must be authenticated against the IRM server.

In SharePoint, IRM lets you protect your files when downloaded and control who can access downloaded files. Downloaded files are encrypted and can only be opened by users that meet the requirements of the IRM policy set on the SharePoint library.

We are currently rolling out an update to the OneDrive sync client that supports syncing IRM protected SharePoint libraries and will hit all users by the end of January. If you want to try this out now, you can find a direct installer link below.

Follow these steps to allow your users to sync IRM libraries:

Deploy and install the RMS (Rights Management Service) client to your users’ machines.

Make sure the OneDrive sync client is up to date. The minimum version required for IRM sync is 17.3.7294.0108 and you can download it here. To check your version: Right click on OneDrive in the taskbar > Settings > About.

Have your users navigate to any IRM protected SharePoint document library and click ‘Sync’.

If you haven’t activated IRM in your SharePoint environment, click here to learn more about how to configure this.

For more information, check out the detailed documentation on how to setup OneDrive to sync IRM libraries.

If you have feedback, please share it with us by right-clicking the blue OneDrive icon in the taskbar and choose "Report a problem" and as always, we want to hear from you, please visit our OneDrive UserVoice page to suggest new features or upvote feature requests.
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Source: OneDrive sync on Windows now supports IRM protected SharePoint document libraries - Microsoft Tech Community

adnanj85 · Jan 5, 2021

SharePoint: Windows File Path Limit

I have found that syncing folders to SharePoint one-drive limits the file path character limit to 218 characters and it counts "space" as equal to 3 characters, encoded to %20. Please confirm if any other special character is encoded and will be taking more
space which eventually means the actual path is less than 218 characters.

Other Info:

OS: Windows 10 Pro

Office 365/SharePoint Online.

One-Drive: Build 18.151.0729.0012

Adnan Jahangir · Jan 5, 2021

SharePoint: Windows File Path Limit

URLs have a 256 character limit which you have found will affect your SharePoint documents.

And using spaces is never a good idea because of it being replace with 3 characters of %20. But other than that spaces is the only thing to watch out for an folders.

Folders will be included in URL.

As a SharePoint administrator when creating libraries in SharePoint use acronyms. You can always change the title of the library after without affecting the URL.

Also be very careful using folders in folders. Especially if you break inheritance and do explicit permissions. This will cause slowness in the library and can break search capabilities.

Let me know if you have anymore questions with SharePoint... i have been using it for over 12 years
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Hi Sarah,

thanks for the reply, changing the title of library helps to reduce the file path length? The slowness you mentioned also is experience when using one-drive?

Windows 10: File path lengths OneDrive sync from SharePoint online

File path lengths OneDrive sync from SharePoint online

File path lengths OneDrive sync from SharePoint online

File path lengths OneDrive sync from SharePoint online

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