Update access-mssp-portal.md

Author: denisebmsft

defender-endpoint/access-mssp-portal.md

@@ -26,7 +26,7 @@ ms.date: 12/18/2020
 
 [!INCLUDE [Microsoft Defender XDR rebranding](../includes/microsoft-defender.md)]
 
-> Want to experience Microsoft Defender for Endpoint? [Sign up for a free trial.](https://signup.microsoft.com/create-account/signup?products=7f379fee-c4f9-4278-b0a1-e4c8c2fcdf7e&ru=https://aka.ms/MDEp2OpenTrial?ocid=docs-mssp-support-abovefoldlink)
+> Want to experience Microsoft Defender for Endpoint? [Sign up for a free trial.](https://go.microsoft.com/fwlink/p/?linkid=2225630&clcid=0x409&culture=en-us&country=us)
 
 > [!IMPORTANT]
 > Some information relates to prereleased product which may be substantially modified before it's commercially released. Microsoft makes no warranties, express or implied, with respect to the information provided here.