Today I had 8 tables that were no longer showing as being online on the actual game client, though in the remote admin and on the server itself, the tables were shown as being online. Closing all of the tables and then restarting them fixed the issue. Not sure if this is something new or if this is something that is fixed in 2.76.
I see nothing in the error logs aside from multiples of the following. Not sure if it relates to the issue or not.
TCPServerDisconnect error: Access violation at address 00415B46 in module 'PMServer.exe'. Read of address 00000024
TCPServerDisconnect error: Access violation at address 00415992 in module 'PMServer.exe'. Read of address 63006904