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

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This post describes how to fix the error:

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

At C:\Program Files\WindowsPowerShell\Modules\PowerShellGet\1.0.0.1\PSModule.psm1:4264 char:9

+         Get-PSGalleryApiAvailability -Repository $Name

+         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    + CategoryInfo          : InvalidOperation: (:) [Get-PSGalleryApiAvailability], InvalidOperationException

    + FullyQualifiedErrorId : PowerShellGalleryUnavailable,Get-PSGalleryApiAvailability

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


Cause

This error can occur when trying to set a value for a registered module repository and Tls12 is not specified as the SecurityProtocol.

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

[Net.ServicePointManager]::SecurityProtocol


Resolution

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

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

Install Security Protocol Type TLS12

You should then be able to set values for module repositories and install PowerShell modules successfully.


Related Posts

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

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

- WARNING: Unable to download from URI 'https://go.microsoft.com/fwlink/?LinkID=627338&clcid=0x409' to ''.

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