After an improper shutdown or restart: Systems with a Mac Pro RAID Card or Xserve RAID Card may start up to a blinking question mark, or RAID volumes may not mount. RAID Utility may show the volumes, RAID sets, and disks are all viable or good. An Xserve configured with an SSD and Mac OS X Server installed on the SSD may start...

Final Cut Server requires specific TCP (Transmission Control Protocol) ports to be open on your server. If you have a firewall configured or you are using the Mac OS X Server firewall, you must enable these ports before you can use Final Cut Server....

Learn about Auto Save and Versions in OS X Lion....

After migrating to OS X Lion, you may notice that you don't see any progress indication in the Finder when syncing files using MobileMe iDisk....

Learn how to use Lion Recovery if you've enabled FileVault 2 in OS X Lion, or if you have enabled a firmware password on your Mac. FileVault 2 lets you encrypt the contents of your entire hard drive....

In some rare situations, you might receive the following alert when running cvfsck on a StorNext hosted volume:   "File system is exposed to Product Alert 35. Please check AppleCare's web site at http://www.apple.com/support/xsan for more information."...

If you are using Relay Open Directory Replicas, you will not see the second level Open Directory Replicas status in Server Admin....

When an Active Directory user attempts to change their password at the login window, the login window may shake if the new password does not meet the Active Directory password requirements. ...

When you upgrade or migrate to Lion Server from Mac OS X Server v10.6, your custom php.ini settings may not be automatically migrated to the updated version of PHP in Lion Server....

To allow users from an Active Directory to use Kerberos authentication to mail services provided by Lion Server, you will need to make the following changes....