Symptoms

The error is reported when trying to add a domain in Cloud Backup Management (DS-NOC).

Cause

The Microsoft.Online.SharePoint.Client.Tenant.dll is corrupted.

Solution

Re-download the installer from:

https://www.microsoft.com/en-ca/download/details.aspx?id=35585

Uninstall via Add and Remove programs SharePoint Client Components

Then install back the SDK, and copy the following DLL to the Tomcat bin folder, (C:\Program Files\Apache Software Foundation\Tomcat 8.0\bin)

Microsoft.Online.SharePoint.Client.Tenant.dll

By default, the DLL is found at this location:

C:\Program Files\SharePoint Client Components\Assemblies