Fixing a 0x800700df error

Possible reason: File transfer limit in Webclient Service

  1. Open regedit
  2. Go to: HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ WebClient \ Parameters
  3. Find: FileSizeLimitInBytes and open it
  4. Select Decimal
  5. Enter the following number:
    4294967295
  6. Click op OK
  7. Hold windowskey + R
  8. Enter services.msc
  9. Find WebClient
  10. Right click the service and select restart.

Done.

Install Group Policy Editor (gpedit.msc)

  1. Open command prompt with admin rights
  2. Enter the following one after the other and the software has been installed.
    1. FOR %F IN ("%SystemRoot%\servicing\Packages\Microsoft-Windows-GroupPolicy-ClientTools-Package~*.mum") DO (DISM /Online /NoRestart /Add-Package:"%F")
    2. FOR %F IN ("%SystemRoot%\servicing\Packages\Microsoft-Windows-GroupPolicy-ClientExtensions-Package~*.mum") DO (DISM /Online /NoRestart /Add-Package:"%F")