Tips para aumentar numero de sesiones remotas en un server Windows 2008 R2

To verify Remote Desktop Services "Limit number of connections" Policy

En opcion Run correr comando: gpedit.msc

1. Start the Group Policy snap-in, open the Local Security Policy or the appropriate Group Policy
2. Navigate to the following location:
   Local Computer Policy > Computer Configuration>Administrative Templates > Windows Components > Remote Desktop Services> Remote Desktop Session Host> Connections "Limit number of connections"
3. Click “Enabled”
4. In the RD Maximum Connections allowed box, type the maximum number of connections you want to allow, and then click OK.

saludos