Room Mailbox disappers from Outlook client however its available in EMC
I have exchange 2003 qnd 2010 and my address lists are migrated however the OAB files and public folder still remains in 2003 . I want to know as we did testing for good 20 days and the room mailboxrill disapeering .
August 28th, 2012 7:01pm

Please be more specific.Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."
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August 28th, 2012 7:37pm

Hi, Thanks for reply, We have Active Directory Parent-Child Setup. Parent domain name is abc.com and child domain is in.abc.com. Exchange installed in in.abc.com and domainprep done for abc.com but there is no mailbox in parentdomain. We have created room mailboxes in child domain. But its not showing in All Rooms address list but its showing in GAL. If I run update-addresslist all rooms room mailboxes showing in all rooms address list for 10 min and then again it will disappear. We have created the new address lists with recipient filter resource mailbox but no luck. We have found showinaddressbook attribute value getting removed after sometime. We have Exchange 2003 and Exchange 2010 in co-existence. But all mailboxes we have migrated to exchange 2010. All address list upgraded to Exchange 2010. Please help me to troubleshoot.
August 29th, 2012 6:20am

It almost sounds as if you are having problems with replication of the Active Directory global catalog or some kind of permissions problem where the global catalog is getting overwritten.Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."
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August 29th, 2012 11:01am

could you please enlighten me with steps to Diagnose the same so as I can share results with you. Additionally why would these room mailboxes work for good 15 days and then start showing this behavior, I havent changed anything in my exchange or AD level.
August 29th, 2012 4:04pm

Start diagnosis of AD replication with DCDIAG on the domain controlers. You might want to run: Setup.com /PrepareDomain in the domain there the room mailboxes are.Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."
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August 29th, 2012 4:44pm

Hello Ed , i have validated replication that dosent seem to have any issues .Adding to the existing issue i have one more issue where my mailtips for some internal contacts (query based groups ) shows outside organisation . Any suggestion please !!!Anand Shankar
September 19th, 2012 6:08am

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