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Installation Error: "Acumatica ERP 2021 R1 cannot be installed. Please install ISS 7 or later and retry the installation."


04-Jun-2021

When I attempt to install the ERP 2021 R1 Update 6 version from the downloaded AcumaticaERPInstall.msi file, I receive the error listed in the title above.  I also receve the same error when attempting to install the ERP 2020 R2 Update 11 version.

 

I have reviewed the “Сan’t get your IIS version from the registry. Probably you don’t have IIS?” error resolution, but I cannot duplicate it.  My registry does not have the key:  Computer\HKEY_LOCAL_MACHINE\SOFTWAREMicrosoft\InetStp

 

Please advise.  Thanx.

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Best answer by Yuri Karpenko 5 June 2021, 01:08

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3 replies

Sorry, the error should say “IIS 7”, not “ISS 7”.

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In Windows go to Control Panel\All Control Panel Items\Programs and Features, and then click Turn Windows features on or off on the left pane.

Enable the following:

  • Web Management Tools > IIS Management Console
  • World Wide Web Services > Application Development Features > .NET Extensibility
  • World Wide Web Services > Application Development Features > ASP.NET
  • World Wide Web Services > Application Development Features > ISAPI Extensions
  • World Wide Web Services > Application Development Features > ISAPI Filters
  • World Wide Web Services > Common HTTP Features > Default Document
  • World Wide Web Services > Common HTTP Features > Static Content
  • World Wide Web Services > Performance Features > Dynamic Content Compression
  • World Wide Web Services > Performance Features > Static Content Compression
  • World Wide Web Services > Security > Request Filtering

And then start Acumatica installation again.

Thanx.  It loaded just fine now.

 

Also, I found the instructions in the installation guide.

 

Why it is that I find these things in the documentation only after someone must take the time to spoon-feed it to me?

 

Sorry for the trouble.

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