When reserving a resource, the meeting requestor does not not a response from the resource mailbox. I can check the resource mailbox and see that it is on the calendar.

Can you re-run Set-MailboxCalendarSettings Resource1 -AutomateProcessing:Autoaccept and test again? Re-running has fixed odd behaviors.James Chong MCITP | EA | EMA; MCSE | M+, S+ Security+, Project+, ITIL msexchangetips.blogspot.com

If you are not receiving response from resource mailbox, then defnitely the automateprocessing of calendar will be set to AUTOUPDATE. Change the settings to AutoAccept, as mentioned above. If it is ordianary user mailbox used as resource mailbox, you can change the Resource Scheduling option on the Calender Option to accept meeting automatically

Can you re-run Set-MailboxCalendarSettings Resource1 -AutomateProcessing:Autoaccept and test again? Re-running has fixed odd behaviors. James Chong MCITP | EA | EMA; MCSE | M+, S+ Security+, Project+, ITIL msexchangetips.blogspot.com Where are you supposed to run this command? DOS windows? A special console?

From Exchange Management Shell on your Exchange server (Make sure it's Exchange Shell and Not Wndows powershell).James Chong MCITP | EA | EMA; MCSE | M+, S+ Security+, Project+, ITIL msexchangetips.blogspot.com

From Exchange Management Shell on your Exchange server (Make sure it's Exchange Shell and Not Wndows powershell). James Chong MCITP | EA | EMA; MCSE | M+, S+ Security+, Project+, ITIL msexchangetips.blogspot.com On Exchange 2003?

So you are using Exchange 2003. Exchange 2003 doesn’t have room mailbox, and it doesn’t support PowerShell. Exchange 2003 uses a common user mailbox as a resource. You could configure a resource mailbox auto-accept a meeting as Rajkumar said. but it won’t send you a response automatically. You could use Outlook rules to achieve it. Condition: Which is a meeting invitation or update Action: Reply using a specific template

So you are using Exchange 2003. Exchange 2003 doesn’t have room mailbox, and it doesn’t support PowerShell. Exchange 2003 uses a common user mailbox as a resource. You could configure a resource mailbox auto-accept a meeting as Rajkumar said. You can do it via Outlook. but it won’t send you a response automatically. You could use Outlook rules to achieve it. Condition: Which is a meeting invitation or update Action: Reply using a specific template