These accounts why greyed out in comparison to the normal accounts.I tracked this down to that the client had cloned some accounts from an account that used to have a mailbox attached to them.You can read all about how OAB via DFS works by visiting this link about Exchange polling times and OAB distribution.Now that we know it isn’t working by design, how do we fix it? We do this through the Exchange Management Shell: Make sure you substitute in your Client Access Server where the OAB is distributed with ‘servername’ above.24/02/13If you create a new user, give them a mailbox, and they seemingly fail to appear then don’t panic! The easiest way to do this is simply connect to Outlook Web Access, and query the GAL directly (OWA uses the GAL no the OAB like Outlook running in cached mode does). The User/Mailbox IS listed on the Server But NOT in Outlook.Firstly and fore mostly: If you do anything in Exchange: Apply the “cup of coffee rule”, never make a change then go and prove that change works straight away! However most of us work in the real world and you have a user who needs to use this mailbox yesterday! Remember, if you are looking at the Global Address List in Outlook then you are NOT looking at the Servers Global Address List*.For more detailed instructions check out my previous post.
When a user in Outlook was NOT in cached mode and they went into the Global Address List to select users to send an email to they would see accounts of people who have not got a mailbox attached to them, were not mail enabled and did not even have an email address associated to them.
So there are three factors stopping you seeing that new user on the GAL (, however if that’s not an option, read on). Force your Outlook Client to Download the Offline Address book. Check that the OAB is getting distributed from the Exchange/CAS server. Note: Make sure the Generation Server is set to a server that exists, and it’s online.
Support for Outlook 2000 was dropped with Exchange 2007, Exchange 2010 only supports Outlook 2003 (post SP2). In the diagram below you can see this server is performing public folder AND web based distribution, this is probably because you ticked this box when you installed the product.
He works as a consultant, writer, and trainer specializing in Office 365 and Exchange Server.
Paul is a co-author of Office 365 for IT Pros and several other books, and is also a Pluralsight author.