Office 365 forbidden 403 - office365connectors

When I try to access Office 365 Group Connectors, either in the Outlook web or via Teams app, I receive an error message similar to the one below. Is there some permission missing from my account that prevents me from using connectors?
:-(
Something went wrong.
Message=The remote server returned an error: (403) Forbidden.:ErrorDetails=Operation=GetJoinedGroups:HttpStatusCode=Forbidden:ErrorCode=ErrorAccessDenied:ErrorMessage=Access to OData is disabled.:InnerErrorType=:InnerErrorMessage=:CorrectiveAction=NoAction
RequestId: 2988daef-51e0-4ccb-9145-109b0f806bf8
Server: DM5PR02MB2409
Date: 2016-11-17 16:10:36 -0600

Please escalate this issue to Office 365 Support. This is related to a setting your Tenant Admin has configured.

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I've also faced the same issue and now it's working fine after switching to "Outlook.com". The below is from the official documentation:
> For Azure work or school accounts, select Office 365 Outlook.
> For personal Microsoft accounts, select Outlook.com.
So, I think one need to use "Outlook.com" for the home account.

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I am setting up a service tier for MS Dynamics NAV 2009, but am unable to connect due to a login failure.
Login failed for user 'DOMAIN\ANONYMOUS LOGON'. Reason: Token-based server access validation failed with an infrastructure error. Check for previous errors.
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Posting an answer after long time the question was asked!
I faced the same error. I realized that I was connected to my clint's VPN before I started wso2 api manager. As soon as I disconnected from the client's VPN, I was able to login to store and publisher. I guess there is some security issue related to networks when it comes to Wso2.
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