diff --git a/admin_manual/configuration/configuring_big_file_upload.rst b/admin_manual/configuration/configuring_big_file_upload.rst
index 6d01949ca..f4fd94f8c 100644
--- a/admin_manual/configuration/configuring_big_file_upload.rst
+++ b/admin_manual/configuration/configuring_big_file_upload.rst
@@ -39,3 +39,6 @@ Note: The order of the following steps is important! If you swap steps or subste
 whereas the "output_buffering" has to be given in MegaBytes but as a plain figure (without size-units as 'M' or 'G')
 
 These configurations have been prooven by test up to filesizes of 16 GigaBytes.
+The following Clients have been proven:
+Linux 32 Bit: Ubuntu, Firefox => 16GB
+Windows 8  64 Bit: Google Chrome => 8GB