Dynamics NAV - LS Retail - LS NAV Start cannot connect

• This happens if the NAV service is not running.
• Ensure that the windows account used to run the NAV service is added to the local sql as sysadmin,  db-owner
• Launch the regular NAV client and attempt to connect to the local service before launching the LS NAV start

Solution:
Change default connection string on nav shortcut

• Navigate to C:\Users\<user>\AppData\Roaming\Microsoft\Microsoft Dynamics NAV\110
• Open ClientUserSettings in notepad
• Look for     <add key="ClientServicesPort" value="7046"/>
• Change it to the port of the instance you are trying to connect to
• Look for      <add key="ServerInstance" value="DynamicsNAV71"/>
• Chnage it to the name of the instance you are trying to connect to