I have a server 2008 that is trying to upload a file to a NAS using webdav when the file is larger than 4GB the upload fails.. is there a limit of 4GB here? Thanks Ivan

Hi Ivan, As this issue is related to IIS, I suggest discussing it in our IIS forum. They are the best resource to answer your question. http://forums.iis.net/Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Hello, Thanks for the reply, thgis may look like is an IIS issue does the webdav mini redirector is part oif the IIS speciafications. here is more informaton on the problem Hello, I have a server 2008 with the desktop experience installed and I am unable to upload files that are bigger th an 4GB, is there any limitation on the WebDav redirector that will limit the upload size. the server logs the follwing. The description for Event ID 14800 from source MRxDAV cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.If the event originated on another computer, the display information had to be saved with the event.The following information was included with the event: then I see the write delayed error. this becuase the NAS (a unix box) closes the connection since is get the wrong file size once the NAS recieves the espcified data it will close the connection, but the server still has more data to send.. Log from the NAS Trace from Isilon logs: for a succesfull transfer of 6KB: 10.1.4.201 - - [13/Jul/2011:08:56:08 -0500] "OPTIONS / HTTP/1.1" 200 - "-" "Microsoft-WebDAV-MiniRedir/6.1.7600" 10.1.4.201 - - [13/Jul/2011:08:56:08 -0500] "PROPFIND / HTTP/1.1" 207 840 "-" "Microsoft-WebDAV-MiniRedir/6.1.7600" 10.1.4.201 - - [13/Jul/2011:08:56:08 -0500] "PROPFIND / HTTP/1.1" 207 840 "-" "Microsoft-WebDAV-MiniRedir/6.1.7600" 10.1.4.201 - - [13/Jul/2011:09:10:18 -0500] "PROPFIND /desktop.ini HTTP/1.1" 404 209 "-" "Microsoft-WebDAV-MiniRedir/6.1.7600" 10.1.0.41 - - [13/Jul/2011:09:30:42 -0500] "PROPFIND /vodpreassets HTTP/1.1" 301 238 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:30:42 -0500] "PROPFIND /vodpreassets/ HTTP/1.1" 207 856 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:32:26 -0500] "PROPFIND /vodpreassets HTTP/1.1" 301 238 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:32:26 -0500] "PROPFIND /vodpreassets/ HTTP/1.1" 207 856 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:32:26 -0500] "PROPFIND /vodpreassets HTTP/1.1" 301 238 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:32:26 -0500] "PROPFIND /vodpreassets/ HTTP/1.1" 207 856 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:32:52 -0500] "PROPFIND /vodpreassets/test4Trace1 HTTP/1.1" 404 222 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:32:52 -0500] "MKCOL /vodpreassets/test4Trace1 HTTP/1.1" 201 199 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:32:52 -0500] "PROPPATCH /vodpreassets/test4Trace1 HTTP/1.1" 301 250 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:32:52 -0500] "PROPPATCH /vodpreassets/test4Trace1/ HTTP/1.1" 207 408 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:33:16 -0500] "PROPFIND /vodpreassets HTTP/1.1" 301 238 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:33:16 -0500] "PROPFIND /vodpreassets/ HTTP/1.1" 207 14106301 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:34:25 -0500] "PROPFIND /vodpreassets/test4Trace1/readme.txt HTTP/1.1" 404 233 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:34:25 -0500] "PROPFIND /vodpreassets/test4Trace1 HTTP/1.1" 301 250 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:34:25 -0500] "PROPFIND /vodpreassets/test4Trace1/ HTTP/1.1" 207 1222 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:34:25 -0500] "PUT /vodpreassets/test4Trace1/readme.txt HTTP/1.1" 201 208 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:34:26 -0500] "LOCK /vodpreassets/test4Trace1/readme.txt HTTP/1.1" 200 461 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:34:26 -0500] "PROPPATCH /vodpreassets/test4Trace1/readme.txt HTTP/1.1" 207 419 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:34:26 -0500] "HEAD /vodpreassets/test4Trace1/readme.txt HTTP/1.1" 200 - "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:34:26 -0500] "PUT /vodpreassets/test4Trace1/readme.txt HTTP/1.1" 204 - "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:34:26 -0500] "PROPPATCH /vodpreassets/test4Trace1/readme.txt HTTP/1.1" 207 365 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:34:26 -0500] "UNLOCK /vodpreassets/test4Trace1/readme.txt HTTP/1.1" 204 - "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:34:26 -0500] "PROPFIND /vodpreassets/test4Trace1/readme.txt HTTP/1.1" 207 1277 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:34:26 -0500] "PROPPATCH /vodpreassets/test4Trace1/readme.txt HTTP/1.1" 207 335 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" for a failed transfer of 4.4 GB: 10.1.0.41 - - [13/Jul/2011:09:38:17 -0500] "PROPFIND /vodpreassets HTTP/1.1" 301 238 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:38:17 -0500] "PROPFIND /vodpreassets/ HTTP/1.1" 207 856 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:38:17 -0500] "PROPFIND /vodpreassets HTTP/1.1" 301 238 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:38:17 -0500] "PROPFIND /vodpreassets/ HTTP/1.1" 207 856 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:38:32 -0500] "PROPFIND /vodpreassets/test4Trace2 HTTP/1.1" 404 222 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:38:33 -0500] "MKCOL /vodpreassets/test4Trace2 HTTP/1.1" 201 199 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:38:33 -0500] "PROPPATCH /vodpreassets/test4Trace2 HTTP/1.1" 301 250 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:38:33 -0500] "PROPPATCH /vodpreassets/test4Trace2/ HTTP/1.1" 207 408 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:39:03 -0500] "PROPFIND /vodpreassets/test4Trace2/media.ts HTTP/1.1" 404 231 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:39:03 -0500] "PUT /vodpreassets/test4Trace2/media.ts HTTP/1.1" 201 206 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:39:03 -0500] "LOCK /vodpreassets/test4Trace2/media.ts HTTP/1.1" 200 461 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:41:45 -0500] "PROPPATCH /vodpreassets/test4Trace2/media.ts HTTP/1.1" 207 417 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:41:45 -0500] "HEAD /vodpreassets/test4Trace2/media.ts HTTP/1.1" 200 - "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:41:45 -0500] "PUT /vodpreassets/test4Trace2/media.ts HTTP/1.1" 204 - "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:42:27 -0500] "y\xaf\xc2\xab\x04\xe1x\xfa\x18\xa0\x9d\x8a E\xb7\x12\xfe\xfb-)\b\x06\x1aB\xe0x\x7fX6\xf8\xab\xfd" 400 226 "-" "-" 10.1.0.41 - - [13/Jul/2011:09:42:57 -0500] "UNLOCK /vodpreassets/test4Trace2/media.ts HTTP/1.1" 204 - "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:42:57 -0500] "PROPFIND /vodpreassets/test4Trace2/media.ts HTTP/1.1" 207 1236 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:42:57 -0500] "PROPPATCH /vodpreassets/test4Trace2/media.ts HTTP/1.1" 207 333 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.4.201 - - [13/Jul/2011:09:44:31 -0500] "OPTIONS / HTTP/1.1" 200 - "-" "Microsoft-WebDAV-MiniRedir/6.1.7600" 10.1.4.201 - - [13/Jul/2011:09:44:31 -0500] "PROPFIND / HTTP/1.1" 207 840 "-" "Microsoft-WebDAV-MiniRedir/6.1.7600" 10.1.4.201 - - [13/Jul/2011:09:44:31 -0500] "PROPFIND / HTTP/1.1" 207 840 "-" "Microsoft-WebDAV-MiniRedir/6.1.7600" 10.1.0.41 - - [13/Jul/2011:09:45:09 -0500] "PROPFIND /vodpreassets/desktop.ini HTTP/1.1" 404 222 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:52:43 -0500] "PROPFIND /vodpreassets HTTP/1.1" 301 238 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:52:43 -0500] "PROPFIND /vodpreassets/ HTTP/1.1" 207 856 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:53:07 -0500] "PROPFIND /vodpreassets HTTP/1.1" 301 238 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" 10.1.0.41 - - [13/Jul/2011:09:53:07 -0500] "PROPFIND /vodpreassets/ HTTP/1.1" 207 14107438 "-" "Microsoft-WebDAV-MiniRedir/6.0.6002" I will think this a server 2008 issue.