WARNING: Unable to resolve package source 'https://www.powershellgallery.com/api/v2'

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This post describes how I resolved the following:

WARNING: Unable to resolve package source 'https://www.powershellgallery.com/api/v2'

WARNING: Unable to resolve package source 'https //www.powershellgallery.com/api/v2'

Cause

This warning can occur when trying to install a PowerShell module and Tls12 is not specified as the SecurityProtocol.

You can check the SecurityProtocol by running this command in PowerShell:

[Net.ServicePointManager]::SecurityProtocol

[Net.ServicePointManager]::SecurityProtocol

Resolution

To resolve this issue, I set the SecurityProtocol to Tls12 by running this command in PowerShell:

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

Source: https://rnelson0.com/2018/05/17/powershell-in-a-post-tls1-1-world/

I was then able to install PowerShell modules successfully.

Install PowerShell module successfully

Related Posts

- PackageManagement\Install-Package : No match was found for the specified search criteria and module name

- Get-PSGalleryApiAvailability : PowerShell Gallery is currently unavailable. Please try again later.

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