So basically attempting to reserve a resource generates the following error : ------------ Your meeting request was declined. This resource does not accept meetings longer than 1440 minutes. ------------ Everything I have read says to run something similar to the following in windows power shell: set-mailboxcalendarsettings yourroom -EnforceSchedulingHorizon $false -bookingwindowindays 21 or Set-CalendarProcessing "room name" -BookingWindowInDays 21 unfortunately power shell tells me the following : The term 'Set-MailboxCalendarSettings' is not recognized as a cmdlet, function, operable program, or script file. Verif y the term and try again. At line:1 char:28 and the same for the other command. Does any know what the true command should be to get this setting changed? Apparently it cannot be done through the exchange administration GUI. It can only be done via power shell. Any help is greatly appreciated! Thanks ahead of time. :) cheers. mb

You can login to the room mailbox with OWA and set it under calendar options if you want a GUI based solutions. On the Powershell issue, will it tab complete your command? Are you sure you are using powershell with the exchange snap ins and not just windows powershell?http://exchangedeepthoughts.blogspot.com

OWA is "friendlier". The error message indicates that the Exchange Management snappin hasn't been loaded. This usually indicates you've launched an generic PowerShell session, rather than the Exchange Management Shell session.$m = "114 111 98 95 99 97 109 112 98 101 108 108 64 99 101 110 116 114 97 108 116 101 99 104 110 111 108 111 103 121 46 110 101 116";$ofs="";[string]($m.Split() |% {[char][int]$_})

Both of you gents were correct. I was NOT in the snap-in power shell. Thanks for that advice.