I'm facing an issue with reading and writing from alteryx schedules on SAN drive which is attached to the different server
Can anyone help me with solution
Situations like this are typically related to user credentials. When you run the workflow, your credentials are used. When Scheduler runs the program, the "Alteryx Service" user credentials are used. You could either provide your credentials to the Alteryx Service, or update the permissions on that drive to allow access to the Alteryx Service user.
You can provide your credentials to use in Options>Advanced Options>System Settings.
Alternatively, you can assign your credentials to the Alteryx Service in Windows: