Thursday, November 10, 2011

Troubleshooting the “Network accounts are unavailable” error in Mac OS X Lion

there are serious integration problems between Apple Mac OS X 10.7 Lion and Active Directory Domain Services (AD DS). Specifically, we are seeing (a) sluggish binding between the Macs and AD; (b) super-slow domain logons; and (c) completely blocked domain logons.

Source : 4sysops.com