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I want to connect to SharePoint online SharePoint admin center using this code:

Connect-SPOService -url $TenantAdminUrl -Credential $SPCredential

but I keep getting this error:

Message: The underlying connection was closed: An unexpected error occurred on a send.
Stacktrace:    at System.Net.HttpWebRequest.GetResponse()
   at Microsoft.SharePoint.Client.SPWebRequestExecutor.Execute()
   at Microsoft.SharePoint.Client.ClientContext.GetFormDigestInfoPrivate()
   at Microsoft.SharePoint.Client.ClientContext.EnsureFormDigest()
   at Microsoft.SharePoint.Client.ClientContext.ExecuteQuery()
   at Microsoft.Legal.MatterCenter.Common.ConfigureSharePointContext.ConfigureClientContext(String url, String userId, String password)
   at Microsoft.Legal.MatterCenter.CreateGroups.Program.AddGroups(Dictionary`2 listval, List`1 groupData)
Message: The underlying connection was closed: An unexpected error occurred on a send.
Stacktrace:    at System.Net.HttpWebRequest.GetResponse()
   at Microsoft.SharePoint.Client.SPWebRequestExecutor.Execute()
   at Microsoft.SharePoint.Client.ClientContext.GetFormDigestInfoPrivate()
   at Microsoft.SharePoint.Client.ClientContext.EnsureFormDigest()
   at Microsoft.SharePoint.Client.ClientContext.ExecuteQuery()
   at Microsoft.Legal.MatterCenter.Common.ConfigureSharePointContext.ConfigureClientContext(String url, String userId, String password)
   at Microsoft.Legal.MatterCenter.CreateGroups.Program.DeleteGroups(Dictionary`2 listval, List`1 groupData)
17/06/2022 17:29:00 - Creating group and adding users to it failed

Now I know that Connect-SPOService -url $TenantAdminUrl -Credential $SPCredential does not work while MFA is enabled. so that why we disable the MFA for all users, and when users try to access any SharePoint site using the web-browser, they will not be asked for MFA, then will just get this message:

enter image description here

so could this message be the issue? and how can I fix this?

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1 Answer 1

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You can use SharePoint Online Management Shell to connect with multi-factor authentication (MFA) enabled SharePoint site using below command:

Connect-SPOService -Url https://contoso-admin.sharepoint.com

Follow below documentation:

To connect with multi-factor authentication (MFA).

For more information & other ways to login when MFA is enabled, check this thread: Connect-SPOService : The sign-in name or password does not match one in the Microsoft account system

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