We have Exchange 2007 RTM / Server 2003 environment. Autodiscovery.domain.com is pointed to HUB/CAS server. Free busy information doesnt sometimes on Outlook 2007 but It works on OWA. Please help.On Outlook 2007, it stays free/busy information cannot be retrived. On OWA free/busy information is avalible.

Please test your autodiscover configuration and post results. To do this hold the control key in and right click the outlook icon and click test autoconfiguration.

Hi, You can refer to following article to troubleshoot the issue: Troubleshooting Free/Busy Information for Outlook 2007 http://technet.microsoft.com/en-us/library/bb397225.aspx Thanks, Mike