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Complete the following steps to create the LogosXT.ini file and use it to modify TCP ports NI-PSP checks for availability.

1. Configure Windows to show all hidden folders.
   1. (Windows XP/2000) From any Windows Explorer window, select Tools»Folder Options. (Windows Vista) Navigate to Control Panel»Folder Options. (Windows Vista/XP/2000) In the Advanced Settings section of the View tab of the Folder Options dialog box, select Show hidden files and folders. Click Apply and then click OK to apply the settings and close the Folder Options dialog box.
2. Navigate to the \National Instruments\LogosXT subfolder in the common application directory. The location of this directory depends on how you configured the installation of LabVIEW. The default location on Windows XP is C:\Documents and Settings\All Users\Application Data\National Instruments\LogosXT. On Windows Vista, the default location is C:\Program Data\National Instruments\LogosXT.
3. Select File»New»Text Document.
4. Name the new text document LogosXT.ini
5. Open LogosXT.ini and enter the following text.
   
   [LogosXT]
   LogosXT_PortBase = 59110
   LogosXT_NumPortsToCheck = 100

Note  LogosXT_PortBase specifies the port where the NI-PSP protocol begins to check availability. LogosXT_NumPortsToCheck specifies the maximum number of ports the protocol checks. By default, NI-PSP begins checking port availability at port 59110 and checks a maximum of 100 ports.

6. To modify the first port the NI-PSP protocol checks for availability, delete 59110 and enter a different port number for LogosXT_PortBase. To modify the maximum number of ports the NI-PSP protocol checks for availability, delete 100 and enter a different number for LogosXT_NumPortsToCheck.
7. Save and close LogosXT.ini. The changes take effect when you restart LabVIEW.