title: Wix Installer: Failed to wait for child to connect to pipe
body: <p>I'm trying to install software on a Windows Server 2008 R2 SP1 and several installers are failing, including:</p>
  
  <blockquote>
    <p><a href="http://www.microsoft.com/en-us/download/details.aspx?id=30679" rel="nofollow">Visual C++ Redistributable 2012</a><br>
    <a href="http://www.microsoft.com/en-us/download/details.aspx?id=40760" rel="nofollow">MS Build Tools</a></p>
  </blockquote>
  
  <p>The log files have similar error messages leading me to think there is a general problem with Wix based installers running on this server:</p>
  
  <blockquote>
    <p>[0ED0:0F78][2015-03-27T16:57:08]: Burn v3.6.3542.0, Windows v6.1
    (Build 7601: Service Pack 1), path:<br>
    C:\Users\dsmith\Downloads\vcredist_x64.exe, cmdline: '-burn.unelevated
    BurnPipe.{B557C8BF-F4EF-414C-BEE4-4548A61377E5}
    {D6146B39-D884-46C5-81DF-91DE3E882A1B} 3568'<br>
    [0ED0:0F78][2015-03-27T16:57:08]: Setting string variable
    'WixBundleLog' to value
    'C:\Users\dsmith\AppData\Local\Temp\dd_vcredist_amd64_20150327165708.log'<br>
    [0ED0:0F78][2015-03-27T16:57:08]: Setting string variable
    'WixBundleOriginalSource' to value
    'C:\Users\dsmith\Downloads\vcredist_x64.exe'<br>
    [0ED0:0F78][2015-03-27T16:57:08]: Error 0x800700e5: Failed to wait for
    child to connect to pipe. [0ED0:0F78][2015-03-27T16:57:08]: Error
    0x800700e5: Failed to connect to elevated parent process.<br>
    [0ED0:0F78][2015-03-27T16:57:08]: Variable: WixBundleElevated = 1<br>
    [0ED0:0F78][2015-03-27T16:57:08]: Variable: WixBundleLog =
    C:\Users\dsmith\AppData\Local\Temp\dd_vcredist_amd64_20150327165708.log<br>
    [0ED0:0F78][2015-03-27T16:57:08]: Variable: WixBundleOriginalSource =
    C:\Users\dsmith\Downloads\vcredist_x64.exe<br>
    [0ED0:0F78][2015-03-27T16:57:08]: Error 0x80070218: Failed to write<br>
    message type to pipe. [0ED0:0F78][2015-03-27T16:57:08]: Error
    0x80070218: Failed to post terminate message to child process cache
    thread. [0ED0:0F78][2015-03-27T16:57:08]: Error 0x800700e5: Failed to
    run per-user mode.<br>
    [0ED0:0F78][2015-03-27T16:57:08]: Exit code: 0x800700e5, restarting: No</p>
  </blockquote>
  
  <p>Is there any way to fix the server, registry settings to check, etc?</p>