connect-azaccount – An error occurred while sending the request.
If you are using Powershel – Az module (AzureRM successor) and after command connect-azaccount you see An error occurred while sending the request.
Probably you are not using the latest version. Please check it:
Get-InstalledModule -Name Az.Accounts -AllVersions | Select-Object Name,Version
All Azure-Powershell releases:
https://github.com/Azure/azure-powershell/releases/