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So the install for Exchange 2010 went ok, SSL cert enabled, Migrated mailboxes from Exchange 2003 successful, however some users were complaining that they couldn’t sync their iPhones. Now I don’t suspect that other phones/smartphones would also have problems, but it was only iPhone users that complained to me.
Settings were correct, so I created a test user directly on Exchange 2010.
That account worked fine. What could be different between these users.
After a google, I came up with the solution below.
Check the security tab of the users in AD and see if inherit permissions is checked.
had a similar problem with my first migration to Exchange 2010 and it was down to a security permission on the Active Directory User account.
In Active Directory Users and Computers right click on the user and select properties then under the security tab and advanced make sure the box is checked for inheritable permissions.
If you create a new user in Exchange 2010 IPhone sync will work without additional steps.
When I went to check the security tab in AD, it was not visible. I had to click the View menu then place a check beside Advanced Features.
When I checked the inheritable box, IPhone Sync worked for that existing user.
Note, I checked other users in my AD with mailboxes and some of them had this already checked. The only two that didn’t have this box checked were the users that were using the IPhone syncing and were upgraded from Exchange 2003.
Here is the original problem: http://social.technet.microsoft.com/Forums/en-US/exrca/thread/1197d75a-694d-45fd-95fb-19caefef78d6/