Sometimes you need to refresh offline address book in Outook, especially when user's SMIME certificate was refreshed(some other user's of course) but your outlook keeps the old one even though download of new address book was issued from the menu. Updating Offline Address Book(OAB) in cached mode can take up to 24 hours no matter [...]
Microsoft Exchang 2013 installation guide on Windows 2012 r2. I deploy two Mailbox servers as well as two Client-Access-Servers. All running on four Windows 2012r servers from which two of them are acting as Active Directory domain controllers. This is first part of the series, later on I will try bo build a CAS HA as well as Mailbox Database availability group. Stay tuned!