Windows 10: Large File Transfer 0x8007003B Unexpected network error

Discus and support Large File Transfer 0x8007003B Unexpected network error in Windows 10 Network and Sharing to solve the problem; Large File Transfer 0x8007003B Unexpected network errorI have just recently encountered this problem. I am trying to back up my photography files from... Discussion in 'Windows 10 Network and Sharing' started by HeinzGrubsner, Jan 4, 2023.

  1. HEINZGRUBSNER
    HeinzGrubsner Win User

    Large File Transfer 0x8007003B Unexpected network error


    Large File Transfer 0x8007003B Unexpected network errorI have just recently encountered this problem. I am trying to back up my photography files from a local drive SSD/HDD to a Synology NAS drive. I have been using Synology NAS drives for a long time without problems, so this is a new problem with Windows 10, and the problem just started happening for no apparent reason.I have a lot of Raw photo files to shift, between 16 and 50 MBs each, and JPGs, being smaller. After almost EACH file, the dialog box says: "Time remaining: Calculating" - then "0x8007003B Unexpected network error"So I have to

    :)
     
    HeinzGrubsner, Jan 4, 2023
    #1
  2. PHYSICSNERD
    physicsNerd Win User

    Error 0x8007003B when copying large files across network

    Alright, I've been banging my head against this problem for a few months now and I haven't been able to crack it.

    I am fully aware that there have been many questions along these lines and many solutions offered including:

    Redirecting

    Redirecting

    https://social.technet.microsoft.com/Forums/office/en-US/01b5f31b-e911-410f-a24e-f5175ceed709/error-0x8007003b-an-unexpected-network-error-occurred?forum=w8itpronetworking

    From     what I've gathered, there are a lot of possible reasons for this problem including:

    * Windows Fire Wall
    * Antivirus Software
    * SMB 1
    * USB Wifi Adapter.

    I completely turned off windows firewall, uninstalled the antivirus software completely. It's not SMB 1 vs 3, and I've now used 3 separate USB Wifi Adapters. Other computers on the network have no problem transferring files. I've even reformatted and reinstalled windows.
     
    physicsNerd, Jan 4, 2023
    #2
  3. VITOPITO
    VitoPito Win User
    Error 0x8007003B - Unexpected error

    When attempting to copy files over 1 MB from C:\ to a corporate network drive over a corporate VPN, I keep getting error 0x8007003B "An unexpected error is keeping you from copying the file" after about 1 minute of the transfer commencing.

    What is the cause and how do I fix this?

    Note, this is a corporate computer where I have absolutely no rights to change any firewall or network settings.
     
    VitoPito, Jan 4, 2023
    #3
  4. MARIVEL MAN
    Marivel Man Win User

    Large File Transfer 0x8007003B Unexpected network error

    Marivel Man, Jan 4, 2023
    #4
Thema:

Large File Transfer 0x8007003B Unexpected network error

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