The standard default maximum length for a UNC path in the File Output Port is 260 characters for Windows API.
A local path is structured as follows:
C:\Lasernet\Output\
or
\\<Local machine>\<Local path>\
Local Computers
For local computers, an extended-length path can be supported for a maximum total path length of 32,767 characters. To specify an extended-length path, you can use a prefix:
\\?\C:\<Very long local path>\
or
\\?\<Very long local path>\
Shared Network Drives
To support extended-length paths for shared network drives, ensure you are using Lasernet 6.7.6, Lasernet 7.1 or above and type \\?\UNC\<Server>\<Path>\.
Additional information
See MSDN for details about file and path restrictions.
Required module: File Output