Views:

To fix the issue, do the steps below:

Open SharePoint Admin Center.
Click Access Control.
Under the “Control access from apps that don't use modern authentication” section, select Allow.
Click OK to apply the changes.

It may take up to 24 hours for the changes to take affect.

Keywords: provision fails,provision failure,cannot authenticate,cannot contact website,unauthorized response

SharePoint provision fails in Cloud App Security (TMCAS)

Product / Version includes:

Cloud App SecurityAll

Last updated: 2021/08/28

Solution ID: KA-0008084

Category: Register

Summary

When doing the provision, either of the following error messages may be encountered:

"Cannot contact web site 'https://xxx-admin.sharepoint.com/"
"The web site does not support SharePoint Online credentials. The response status code is 'Unauthorized'.”

This issue happens when the legacy auhentication protocols has been disabled.

To fix the issue, do the steps below:

Open SharePoint Admin Center.
Click Access Control.
Under the “Control access from apps that don't use modern authentication” section, select Allow.
Click OK to apply the changes.

It may take up to 24 hours for the changes to take affect.

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