Are you installing the fresh Sitecore 9 and your script failed
in the last step 14 of 14, and saying “The remote server returned an error:
(500) Internal Server Error” or facing any of the below issues, then might
be this post could be very useful for you.

  • The remote server returned an error: (500) 
  • Sitecore 9 installation 503 error while requesting
  • Sitecore 9 Installation Fails on Step 14 of 14: “Error requesting”
  • “Handler “AutowiredPageHandlerFactory” has a bad module “ManagedPipelineHandler” in its module list”
  • Error on UpdateSolrSchema step while calling PopulatedManagedSchema.aspx

We faced the similar error
while installing Sitecore 9 Update 2, because I was configuring on the new
machine with first time .Net/Sitecore installation. 

The problem was due to
missing ASP component (ASP, 3.5 and 4.7) on the IIS.

To install the missing component, follow the below steps:

Go to > Control
PanelProgramsPrograms and Features
Click > Turn Window
Features on or off
Navigate To > Internet
Information Services > World Wide Web Services > Application development

o   ASP
o 3.5
o 4.7

And make sure, all three above
option should be checked, if not checked it and click

Hope, it will resolve the

7 Replies to “Sitecore 9 Installation Failed: PopulateManagedSchema.aspx?indexes=all, “The remote server returned an error: (500) Internal Server Error””

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