Tag Archives: Web Filter

PowerShell Fails to Connect to Office 365

Issue

You may experience an error when connecting to SharePoint Online (or other Office 365 services) via PowerShell. All you get back is a generic:

Connect-SPOService : Unexpected response from the server. The content type of the response is “text/html;
charset=UTF8”. The status code is “OK”.

Example Error

PS C:\Windows\system32] Connect-SPOService -Url https://tenant-admin.sharepoint.com
Connect-SPOService : Unexpected response from the server. The content type of the response is "text/html;
charset=UTF8". The status code is "OK".
At line:1 char:1
+ Connect-SPOService -Url https://tenant-admin.sharepoint.com
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (:) [Connect-SPOService], ClientRequestException
+ FullyQualifiedErrorId : Microsoft.SharePoint.Client.ClientRequestException,Microsoft.Online.SharePoint.PowerShel
l.ConnectSPOService

Cause

This can happen when your corporate web filter blocks the traffic to your admin URL, such as https://tenant-admin.sharepoint.com. Check the logs on the web filter / proxy to ensure the traffic is being allowed.

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