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On Step 3 of 1.2.3 in the upgrade guide, I'm getting a System.OutOfMemoryException pointing to Sitecore.Update.Utils.FileUtils.SerializeFile(Stream stream, String location) +137.

Installation wizard installed fine and the UpdateInstallationWizard.aspx page comes up fine.

In /sitecore/admin/packages, it looks like, it tried to write the file "Upgrade from 8.1 rev. 160519 to 8.2 rev. 160720.update", but it's got zero length.

Any ideas?

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8
  • How much memory you have in this system ?
    – Harsh Baid
    Sep 27, 2016 at 15:53
  • 16gb, 47% used.
    – EricB
    Sep 27, 2016 at 17:41
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    Can you post the full stacktrace, please? Might help clue someone in, as to what might be going on.
    – Mark Cassidy
    Sep 28, 2016 at 8:40
  • have you changed the maxAllowedContentLength setting (1.2.3 step2) ? Also, do you have correct file/folder level permission setup for filesystem ?
    – scFootsteps
    Sep 29, 2016 at 4:37
  • Also if you can post anything you see related in the log where this exception was captured is helpful
    – Diego
    Sep 30, 2016 at 16:01

1 Answer 1

Reset to default
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You must change the maxAllowedContentLength setting to increase the maximum allowed download size of the update package. To do this:

In a text editor, in the \wwwroot\\Website\sitecore\admin\web.config file, change the maxAllowedContentLength setting from: 

<requestLimits maxAllowedContentLength="1048576000" />

to: 

<requestLimits maxAllowedContentLength="4194304000" />

for more information check the upgrade document: Upgrade Guide

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  • Ahh man, I kept changing this at the root web.config level.
    – MikeD
    Nov 30, 2016 at 2:18

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