Unable to browse large document library in explorer view


You try to open a document library with many files by clicking on ‘Open in windows explorer’ and get the following error message:

\\server\webfolder\folder is not accessible. You might not have permission to
use this network resource.
Contact the administrator of this server to find
out if you have access permissions.

A device attached to the system is
not functioning.


The problem occurs because the size of all the file attributes that are returned by the WebDAV server is much larger than what is expected. By default, this size is limited to 1 MB.

To work around this problem, you need to modify the windows registry on the client computer.

Data Type: DWORD
Default Value: 1,000,000
decimal (1 MB)

Change the default value to a larger number, e.g. 100000000 for 100mb.


8 Responses to “Unable to browse large document library in explorer view”

  1. Frank February 1, 2013 at 4:17 pm #

    hi Andrew,

    worked for me, thanks for sharing!

  2. Arden Winter February 24, 2014 at 4:55 am #

    Thank you!

  3. Regie June 11, 2014 at 5:10 am #

    Many thanks, it worked for me!

  4. SliverNinja March 12, 2015 at 6:08 am #

    $FileAttributesLimitInBytes = 100000000 # 100MB
    Get-ItemProperty -Path “HKLM:\SYSTEM\CurrentControlSet\services\WebClient\Parameters” -Name FileAttributesLimitInBytes -ErrorAction SilentlyContinue # query value
    Set-ItemProperty -Path “HKLM:\SYSTEM\CurrentControlSet\services\WebClient\Parameters” -Name FileAttributesLimitInBytes -Value $FileAttributesLimitInBytes # assign value

  5. SliverNinja March 12, 2015 at 6:13 am #

    Restart-Service webclient # required for changes to take effect

  6. Heta June 12, 2015 at 9:04 pm #

    Works Well, thanks

  7. JPozo September 15, 2016 at 8:54 pm #

    Works!!! Thanks!!!

  8. kab January 28, 2017 at 12:57 am #

    Works great. Be sure to restart the WebClient service for changes to take.

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