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2023-10-03 13-56-29
Mohammad Iqbal Yusuf Sheikh
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What is OS App Pool Identity in Outsystems?
Question
Reactive
OutSystems 11
Application Type
Reactive

Hi everyone,

We’re using the File System component in our application to upload files to a local folder on the server. During setup, we were advised to grant write permissions to the "OS App Pool Identity", but we’re not entirely sure how to proceed.

Could someone please help clarify the following:

  1. What exactly is the "OS App Pool Identity"? 
  2. How do we grant write permissions to this identity on a folder? For example, we want to allow the app to write to C:\OutSystemsUploads. 

 Any guidance or step-by-step instructions would be greatly appreciated.

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29 Jul 2025
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2025-07-22 10-30-27
Mandar Deshpande
Solution

You can refer below articles:

https://www.outsystems.com/forums/discussion/5653/how-to-setting-up-applications-access-to-file-systems/

https://success.outsystems.com/support/enterprise_customers/maintenance_and_operations/move_an_app_to_another_application_pool_on_iis/

On top of this, OS App Pool Identity, is an application pool identity used by OutSystems applications running on IIS.

For OutSystems, the user account is: IIS APPPOOL\OutSystemsApplications

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30 Jul 2025
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