by using group policies how can i direct all my clients to receive updates from my WSUS server

Refer to this Microsoft article named "Configure Clients Using Group Policy" where you will find how to configure your client computers to use WSUS server via GPOs. This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration

Hello, Please post on WSUS forum. Thanks