Unable to enter password into windows sign in page - in unattended mode

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Posted on by AV-05020627-0

I’m working with a bot that identifies duplicate files on a website. During execution, the bot navigates to the site, which then prompts an SSO login. At this point, the bot is required to select the account and enter the password. However, it fails to populate the password in the required field.
After investigating, I found that in Browser Automation → "Populate text field on web page", the encrypted text option doesn’t support using variables as input. When the password is hardcoded, the bot is able to fill the Windows sign‑in password field successfully, but when using a variable, it fails to enter the password.
Is there a solution or workaround for this issue? We cannot hardcode passwords for security reasons.for power automate desktop flow in unattended mode

@trice602 @rzaneti @David_MA @Expiscornovus @RandyHayes @mdevaney @abm abm @MS.Ragavendar @VASANTH KUMAR BALMADI

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David_MA 14,956 Super User 2026 Season 1 on at

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Sorry @AV-05020627-0, I am unable to answer the question. It appears related to Power Automate Desktop. We use UiPath for RPA workflows.

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eetuRobo 4,565 Super User 2026 Season 1 on at

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Power Automate Desktop has "Sensitive variables" functionality. You can set the variables to be sensitive so they are not stored in the run history and not shown during debugging
https://learn.microsoft.com/en-us/power-automate/desktop-flows/manage-variables#sensitive-variables

You can also mark Input variables as sensitive. And I assume the user login credentials are passed from the cloud flow.
So toggle the "Mark as sensitive" on

Then it does not show in the editor or in the logs.

Then just use the "Input as text, variable or expression" and use the variable you marked as sensitive.

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AV-05020627-0 3 on at

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eetuRobo : Yes the creds are coming from cloud flow - these settings are followed as well.

But I'm not able to populate these values into the password Field in Windows Sign in

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