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Connect-SPOService : No valid OAuth 2.0 authentication session exists ?

EnterpriseArchitect 4,976 Reputation points
2023-02-20T02:47:20.1466667+00:00

How to fix the issue to connect to SharePoint Online using PowerShell like below?

Because when I am using the PowerShell ISE, and then the command: 

Connect-SPOService -Url 'https://CompanyName-admin.sharepoint.com'

I got the error: 

Connect-SPOService : No valid OAuth 2.0 authentication session exists At line:1 char:1

Screenshot 2023-02-20 134108

Thank you.

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5 answers

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  1. Dineshkumar Jothi 10 Reputation points
    2023-09-07T12:54:00.93+00:00

    Please check the URL Connect-SPOService only accept sharepoint Admin site URL not site collection URL.

    2 people found this answer helpful.
    0 comments
  2. RaytheonXie_MSFT 33,176 Reputation points Microsoft Vendor
    2023-02-20T07:47:09.0833333+00:00

    Hi @EnterpriseArchitect ,

    Per my test, we will get a windows to log in like following picture after call the cmdlet, and your browser doesn't support this function.

    User's image

    This error means you need to update your browser or download Edge as default browser. As a workaround, you can also use following cmdlet without log with a window. We can write the user account and secret into the cmdlet. Please make a reference

    $username = "admin@contoso.sharepoint.com" 
$password = "password" 
$cred = New-Object -TypeName System.Management.Automation.PSCredential -argumentlist $userName, $(convertto-securestring $Password -asplaintext -force) 
Connect-SPOService -Url https://contoso-admin.sharepoint.com -Credential $cred

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    1 person found this answer helpful.
  3. Jessie Sanchez 6 Reputation points
    2024-03-29T00:01:00.54+00:00 
    Import-Module Microsoft.Online.SharePoint.PowerShell -UseWindowsPowerShell

Connect-SPOService -url https://***-admin.sharepoint.com 
(DO NOT USE "-Credential")
    1 person found this answer helpful.
  4. Mario Siebeck 11 Reputation points
    2024-03-05T16:08:47.1066667+00:00

    2024 and the module still does not support browser authentication making it pretty much useless to companies that use FIDO2 keys...

    0 comments
  5. Marlon Christ 0 Reputation points
    2024-04-12T13:24:30.2733333+00:00

    After I set Microsoft Edge as default browser again, microsoft login window opened up as normal.
    Thanks!