First thing to check is to see which machines can or cannot connect
From start if you type file explorer and hit enter
On all the computers using TSS the sharing options on pages 2, 3, and 4 need to have the same permissions
Then in file explorer highlight Network and right click and choose Properties
Click change advanced sharing settings
These two options should be enabled Turn on network discovery
And Turn on File and Printer Sharing
The three options under all networks should be enabled
Turn on Sharing so anyone with network access can read and write files in the Public folders
Use 128-bit encryption to help protect file sharing connections
Turn off password protected sharing and
Click the save changes button if it is not grayed out
From the auto-audio Main computer from File explorer
On the left you want to check C:\Program Files(x86) \InstallerNet,Inc folder to make sure everyone has access to it
Highlight the Installernet, Inc folder and right click and choose Properties
Click the sharing tab and then the advanced sharing button
You want Everyone to have read and write access