46936: Acronis Files Connect: troubleshooting Windows server access from Mac clients

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    This is either a permission or a file-in-use issue

    This article applies to:

    • Acronis Files Connect (formerly ExtremeZ-IP)


    There is a sporadic issue with access from Mac clients to Windows server.

    An attempt to rename or move files fails sporadically.


    This is either a permission or a file-in-use issue



    Users are usually not able to connect to AFP-shares or fail to save/edit/rename/delete a folder or file to the AFP-share managed by Acronis Files Connect due to issues with permissions.

    They just have not enough effective permissions for the affected file/folder and/or for a special hidden folder ".TemporaryItems" at the root of the volume.


    • Locate the affected file/folder on the Windows server and right-click it, select Properties -> Security -> Advanced -> Effective permissions -> Select... -> Type in the name of the user (not a group) that is having issues. Check if the user has Full Control over the file/folder. 
    • Some applications use a file locking mechanism that is completely independent of the file server or any operating system. Make sure that there is a special hidden folder ".TemporaryItems" at the root of the volume. All users need to have Full Control over that folder as it is used by some applications for temporary storage.

    If you cannot allow Full Control, here is the detailed list of permissions that are required by Apple, Microsoft, Adobe editing apps doing live edits off the server:

    • Traverse Folder/Execute File
    • List Folder/Read Data
    • Read Attributes
    • Read Extended Attributes
    • Create Files/Write Data
    • Create Folders/Append Data
    • Write Attributes
    • Write Extended Attributes
    • Delete Subfolders and Files
    • Delete
    • Read Permissions
    • Change Permissions
    • Take Ownership


    If the issue is not with the permissions, then it may be a lock issue. You can use Process Explorer to determine if the file has an open handle (files-in-use cannot be renamed or deleted as per NTFS/Windows design): 

    More information

    Contact Acronis Files Connect support if you need assistance.