Software 
OS X Server: Don’t log in to the server with a network user’s account
If a user with a network home directory cannot log in at a client computer, make sure that no one is logging in at the server itself with a network user’s account.
About the security content of Safari 6.0.3
This document describes the security content of Safari 6.0.3, which can be downloaded and installed via Software Update preferences, or from Apple Downloads.
Aperture 3.4.x: "Open iTunes" button may not work
The "Open iTunes" button may not work in the Music Browser. This can happen when adding DRM-protected music to a slideshow on OS X Lion and OS X Mountain Lion.
OS X Server (Mountain Lion): May be unable to receive mail after migrating
Clients using an OS X Server’s Mail service may be unable to receive mail. This can occur if you set up your mail server by migrating to Mountain Lion from a Time Machine backup that was created with Lion Server, … Continue reading
OS X Server (Mountain Lion): "An SSL error has occurred" message when upgrading to OS X Server v2.2
When upgrading to OS X Server app v2.2 from a previous version, you may see an alert stating "An SSL error has occurred and a secure connection to the server cannot be made." If this occurs, you will be unable to … Continue reading
OS X Server: Adjusting message size limits for the Mail service
The message size limit may be increased or disabled via use of the serveradmin command in Terminal.
OS X Server (Mountain Lion): Creating images for NetInstall, NetRestore, and NetBoot
You can install OS X over a network with OS X Server’s NetInstall service using NetInstall or NetRestore images. You can also boot client systems over the network from a standardized installation of OS X using NetBoot images.
OS X Server: "Upgrading services" alert when migrating from a Lion Server Time Machine backup to OS X Server v2.2
If you’re upgrading from a Time Machine backup of Lion Server to OS X Server v2.2, you may see an alert during setup stating: "An error occurred while configuring your Server. The following actions failed or were not attempted: Upgrading … Continue reading
OS X Server (Mountain Lion): "There was an error communicating with the remote content server" alert when starting the Caching service
Under certain conditions, you may see an alert when attempting to start OS X Server’s Caching service: "Unable to start service. There was an error communicating with the remote content server."
