title: Error "Failed to OpenForBackup failed in Win32" when pulling microsoft/nanoserver container
body: <p>I encounter the following error when attempting to pull the microsoft/nanoserver image.  The download is successful. This error occurs during extraction of the image.</p>
  
  <blockquote>
    <p>482ab31872a2: Download complete
    failed to register layer: re-exec error: exit status 1: output: <strong>Failed to OpenForBackup failed in Win32</strong>: open \?\C:\ProgramData\Docker\windowsfilter\07bd46b89b4520e984bc0892bad2c955afec4b347f961ca6c31bfe5e30601806\Files\Windows\System32\drivers\etc\hosts: <strong>Access is denied.</strong> (0x1f) \?\C:\ProgramData\Docker\windowsfilter\07bd46b89b4520e984bc0892bad2c955afec4b347f961ca6c31bfe5e30601806\Files\Windows\System32\drivers\etc\hosts</p>
  </blockquote>
  
  <p>This looks like a issue on the directory that the Windows image creates, but I can't figure out what permission the directory may need.</p>
  
  <p>Here is my Docker version (Windows Containers):</p>
  
  <p><strong>Docker version</strong></p>
  
  <p>Client:</p>
  
  <pre><code> Version:      1.13.0-rc2**
  
   API version:  1.25
  
   Go version:   go1.7.3
  
   Git commit:   1f9b3ef
  
   Built:        Wed Nov 23 17:40:58 2016
  
   OS/Arch:      windows/amd64
  </code></pre>
  
  <p>**Server:</p>
  
  <pre><code> Version:             1.13.0-rc2**
  
   API version:         1.25
  
   Minimum API version: 1.24
  
   Go version:          go1.7.3
  
   Git commit:          1f9b3ef
  
   Built:               Wed Nov 23 17:40:58 2016
  
   OS/Arch:             windows/amd64
  
   Experimental:        false
  </code></pre>
  
  <p>Here is the Docker command I am using to pull the image.</p>
  
  <pre><code>docker pull microsoft/nanoserver
  </code></pre>
  
  <p>Finally, here is the error message that after the image is downloaded and extracted: </p>
  
  <blockquote>
    <p>This is a Windows 10 Professional workstation with build 14393 installed.</p>
  </blockquote>