One of our developers is having this
issue. We have narrowed it down to being a problem with his domain account.
As we need to get this developer working again asap my solution would be to recreate his AD account. The method I am contemplating is to disable his mailbox (Exchange 2010) thus disconnecting it from his AD account. Deleting his AD account, recreate the AD account and then reconnect the mailbox.
I have not had to do this before and was looking for a confirmation this should work and the method I should use.
I have a test account I have setup that I can try this with first.
Any help appreciated.