On Server computer:
0. TURN OFF INTERNET ACCESS!!!
1. Launch SolidWorks Installation Manager, and choose Server Products radio-button
2. Select Install SOLIDWORKS PDM Server check-box.
DE-SELECT Install SolidNetWork Licensing service check-box
Press Next
3. Press Cancel on the warning screen about installation manager unable to connect to Internet.
If you did not turn off Internet access, press Next on warning screen about inability of validate serial numbers
4. Click CHANGE on SolidWorks PDM Server tab (additional information required).
Select Product type radio button and fill SQL server information (select SQL Server instance, user and password of "sa" user).
Select features checkboxes.
Press Back to Summary. If SQL server is reachable and SQL login credentials are correct, no message should appear.