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Windows 10 IoT Enterprise for Dell Wyse Thin Clients Administrator’s Guide

Saving files and using local drives

Thin clients use an embedded operating system with a fixed amount of disk space. Dell recommends you to save files that you want to keep on a server rather than on a thin client.

CAUTION: Be careful of application settings that write to the drive C, which resides in disk space. By default, these applications write cache files to the drive C on the local system. If you must write to a local drive, change the application settings to use the drive Z. The default configuration settings that are mentioned in Managing Users and Groups with User Accounts minimize writing to the drive C for factory-installed applications.

drive Z

Drive Z is the on-board volatile memory (Dell Wyse RAM Disk) of the thin client. It is recommended that you do not use this drive to save data that you want to retain.

For information about using the Z drive with roaming profiles, see Participating in Domains.

drive C

Drive C is the on-board non-volatile flash memory. Dell recommends that you avoid writing to drive C. Writing to drive C reduces the free disk space. If the free disk space on drive C is reduced under 500 MB, the thin client becomes unstable.

NOTE: Dell recommends that 500 MB of disk space is left unused. If the free disk space is reduced to 500 MB, the thin client image is irreparably damaged and it is necessary for you to contact an authorized service center to repair the thin client.

Enabling the Unified Write Filter protects the disk from damage and presents an error message if the cache is overwritten. However, if this message occurs you are unable to flush files of the Unified Write Filter cache and any thin client configuration changes still in cache is lost. Items that are written to the Unified Write Filter cache or directly to the disk if the Unified Write Filter is disabled during normal operations include:
  • Favorites

  • Created connections

  • Delete/edit connections


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