In your DualShield console, select "SSO | SSO Servers".
Click the context menu of the SSO server, then select "Download IdP Metadata"
Save the IdP Metadata to a file, eg. "dualdshield-idp-metadata.xml"
Connect to Office 365 Powershell as shown below:
Run the following command in Office 365 PowerShell
.\setup-federation.ps1 SAMLP your-domain-name dualshield-idp-metadata.xml
To verify that the change was successful, run the following command:
get-MsolDomainFederationSettings -domain your-domain-name