Solution Based on Experience from the Field

This article provides a solution that has not been approved by the IGEL Research and Development department. Therefore, official support cannot be provided by IGEL. Where applicable, test the solution before deploying it to a productive environment.


When importing a firmware into the UMS, the following error message appears:

An error occurred during upload.
There is probably no space on your WebDAV disk left.

Original message:
Unbuffered entity enclosing request can not be repeated.


This error is caused when a file is being imported into a WebDAV folder which has no available space remaining.


  1. Check that the host system of the UMS Server has available storage.
  2. Ensure that the ums_filetransfer folder is selected during the firmware import process: