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Can't Install Powershell Modules

 When trying to install a PowerShell module I was getting this error...

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 'XXX'.


Turns out it was a problem with the SecurityProtocol, fixed by entering 

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


SecurityProtocols I had in place before entering this command were...

PS C:\WINDOWS\system32> [System.Net.ServicePointManager]::SecurityProtocol

Ssl3, Tls


Afterwards, I had 

PS C:\WINDOWS\system32> [System.Net.ServicePointManager]::SecurityProtocol

Tls12

 

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