Hi Hiroki, Can you retry this with a recent build of incubator-guacamole-server from git master?
This sounds like it might be related to a recently-fixed issue with Guacamole's handling of file transfer for RDP: https://issues.apache.org/jira/browse/GUACAMOLE-268 - Mike On Thu, Apr 20, 2017 at 6:13 AM, Hiroki Niinuma <hiroki.niin...@gmail.com> wrote: > Hi Nick. > > Im testing IE11, Windows10 to Windows10 via Ubuntu15.04(guac server, guac > client). > > I upload 4.5GB ISO file. > And I download the ISO from guac-menu shared. > Download size over 4.5GB...but continuing. > Over 9.0GB, I quit downloading. > > this exception, no error occur from guac, > > Thanks. > > > 2017-04-20 21:38 GMT+09:00 Nick Couchman <nick.couch...@yahoo.com.invalid>: > >> >> >> >> > On Apr 20, 2017, at 03:41, Hiroki Niinuma <hiroki.niin...@gmail.com> >> wrote: >> > >> > Hi All. >> > >> > In ver 0.9.12, >> > >> > I tried large shared file download from guacmenu. >> > result, >> > 4294967295byte(4GB-1) OK, >> > 4294967296byte(4GB) Failure. >> > >> > Upper 4GB file downloading is not ending. >> > 7,8,9.0GB.... >> > >> > please advice if setting, env, or etc problem. >> > >> > Thanks. >> In addition to the error you're getting, could you specify what browser + >> version you're using, and what O/S you're running that on (including ? In >> the past some browsers have had issues with files > 4GB files (hence the >> Java download managers you see periodically), but I think most browsers >> have taken care of that. >> -Nick >> >> >> >>