You receive the following message when attempting to access Microsoft 365 services:

Access to Microsoft Exchange Online is blocked

Access to Microsoft Exchange Online is blocked by your organization's security policy

Texas Tech IT Security Policy prohibits the use of Anonymizing VPN/Proxy Services when accessing TTU information resources. To access your resources, please disable any third-party VPNs before attempting to sign-in. REFERENCE CODE: 105-A

TTU IT Security policies prohibit the use of anonymizing VPN connections when accessing TTU information resources.

Disable any third-party VPN connections that you may be using, including anonymizing services such as iCloud Private Relay.

Outcome

You are able to sign in to Microsoft 365 services.