Windows 10: Trying to configure Unified Write Filter on one machine to work across multiple machines.

Discus and support Trying to configure Unified Write Filter on one machine to work across multiple machines. in AntiVirus, Firewalls and System Security to solve the problem; Hello, We are currently tryng to upgrade all are systems to Windows 10 Enterprise LTSC 2019, we are still using Windows 7 currently. We are... Discussion in 'AntiVirus, Firewalls and System Security' started by SpecOpsGiraffe, Jul 15, 2019.

  1. Trying to configure Unified Write Filter on one machine to work across multiple machines.


    Hello,


    We are currently tryng to upgrade all are systems to Windows 10 Enterprise LTSC 2019, we are still using Windows 7 currently.


    We are creating are base Windows 10 image currently but running into an issue with the Unified Write Filter. We setup all are file and registry exclusions and protect the volume C: we then capture an image using Acronis True Image to load that image on another machine with the exact same specs. Issue is the Unified Write Filter is still set to the Device ID of the original machine so none of the exceptions we created are working on the new system without having to recreate them all.


    Is there a way to Unified Write Filter to work with any drive that is the volume C: without it being tied to the Device ID of a drive? We are able to have all the exceptions we created in File Base Write Filter on Windows 7 carry over from one machine to another without any issues and thats what we are trying to do again with Unified Write Filter.


    Any help is greatly appreciated.


    Thanks,

    Donald

    :)
     
    SpecOpsGiraffe, Jul 15, 2019
    #1

  2. Unified Write Filter (Win10LTSB) not working

    Hi all

    I'm currently trying to migrate from Windows Embedded Standard 7 SP1 (WES7) to Windows 10 LTSB (long term servicing branch). I'm having a major problem with the write protection layer in Win10 LTSB that I'm hoping someone can help with (I think it is a bug
    but perhaps I'm doing something wrong).

    Note that I have tried both Windows 10 LTSB 2015 and Windows 10 LTSB 2016. I have applied all Windows updates and the Unified Write Filter feature is enabled.

    Question 1:

    In WES7, the write protection was known as File Based Write Filter (FBWF). I used this to lock down the operating system but allow write access to a data folder on the same disk volume as my application collects and buffers data in real time - ready to be
    copied across the network at a later time. This worked fine.

    In Win10LTSB, I can't get the write protection (known as Unified Write Filter - UWF) working reliably. I've set up the UWF to protect the C: drive as I did with WES7. I've also set it up to exclude a folder from the write protection layer (lets call it C:\Excluded).
    When I create files/data in this folder, they are correctly stored on the disk (as the folder is excluded from the write protection layer) and are still present after a reboot - as they should be. So far, this all works correctly.

    The problem is that as files are being stored correctly in this folder, the size of the RAM (or disk) overlay reduces by the same amount. After a few minutes of successfully storing data in this excluded folder, the write protection overlay fills up and
    the PC grinds to a halt.

    In WES7, files created in an excluded folder did not affect the size of the overlay at all - which is correct. In Win10LTSB, files created in the excluded folder cause the size of the available overlay (RAM or disk) to reduce to the point where the PC will
    fall over.

    Does anyone have any experience in this area? Have I done something wrong or is this a bug? As it stands, I won't be able to migrate from WES7 to Win10LTSB for my product until this is resolved as I need to collect data dynamically into a folder that is
    excluded from the write protection layer.

    Question 2:

    With WES7, I was able to see which files had been diverted to the RAM overlay using the command \Fbfwmgr.exe /overlaydetail

    This permitted me to find out which files were consuming the RAM overlay and add those filenames/locations to the exclusion list as necessary. I can't find any way of looking at the files/folders that are currently consuming the RAM/disk overlay of the Win10LTSB
    unified write filter.

    Can anyone help?
     
    SimonMorrell, Jul 15, 2019
    #2
  3. Unified write filter servicing screensaver not showing up

    Hi,

    I suggest you to use the System File Checker tool to repair missing or corrupted system files:

    http://support.microsoft.com/kb/929833

    Run the Power Troubleshooter.

    Power troubleshooter will automatically fix some common issues with Power Plans. Run the Power troubleshooter to adjust your computer's power settings. The Power troubleshooter checks things like your computer's timeout settings, which determine how long
    the computer waits before turning off the monitor display or entering sleep mode.

    • Press Windows key + W and type Troubleshooting.
    • Select Troubleshooting and click on System and Security.
    • Click on Power and follow the onscreen steps.

    Hope this helps in resolving the issue. Keep us posted on unified write filter servicing screensaver not showing up. We will be happy to assist you.
     
    Joy Kemprai, Jul 15, 2019
    #3
  4. Trying to configure Unified Write Filter on one machine to work across multiple machines.

    Can't write to shares on a Windows 10 machine from a Windows 7 machine

    I still get "You need permission to perform this action" from the Windows 7 machines if I try to write to a Windows 10 share after I made the above changes on the Windows 10 machine.
     
    Jim Grybowski, Jul 15, 2019
    #4
Thema:

Trying to configure Unified Write Filter on one machine to work across multiple machines.

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