POS 2009 server setup

Ports to firewall --

1976 for SQL Server (other SQL Server installations use port 1433)

TDP: 139, 445

UDP: 137, 138

Registry hack -- Enable Local Account Token Filter Policy

Regedit
Expand the following subkey:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System

If the LocalAccountTokenFilterPolicy registry entry does not exist, follow these steps:
On the Edit menu, click New, and then click DWORD Value.
Type LocalAccountTokenFilterPolicy, and then press ENTER.
Right-click LocalAccountTokenFilterPolicy, and then click Modify.
In the Value data box, type 1, and then click OK.
Exit Registry Editor.

No need to reboot.