Timeout Issue -- iis ftp

jrbrady
8/20/2007 2:24:01 PM

"Error Copying File or Folder: An error occured while copying the file. The
operation timed out."

Sound familiar? This error only occurs when downloading a file from one of
my Win2003 servers to the other. And only sometimes. And somethines after
one minute. Sometimes after two. Or, three. Or four. Sometimes with four
minutes to go on the download. Sometimes, with ten seconds remaining.

IOW, intermittently, sporadically, capriciously and unpredictably.
Sometimes, it doesn't happen at all.

This error NEVER occurs when downloading from this same Win2003 server to my
Win2000 server.

The errors occur when downloading using Windows Explorer. I have tried both
passive and active modes. I have tried ftp.exe and get no response AT ALL to
the GET command.

The situation is extremely annoying since I need to copy backup files,
totalling about 1.5GB, every day. It takes 1 to 10 tries, and from 6 to 60
minutes.

Anyone know what's happening here?

BTW, no entries are added to the Event Logs on either server when this error
appears.

TIA

jrbrady
8/21/2007 11:30:00 AM

Bernard Cheah [MVP]
8/22/2007 12:00:00 AM

I don't have a solution for you..... but this may related to ftp client
and/or network connection.
From the past - cross country 200mb files transfer, always need retry and
this can't be done via ftp.exe
sometime when traffic is smooth, I'm able to download 50 x 200mb files, but
sometimes it stuck at the 4th files or etc with standard 426,425 status
code.
later, i get a better ftp client that able to keep retrying and resume the
download.

what's the connection between the two w2k3? firewall in between?
1.5gb is huge, so if we just using standard client without resume
capability... I think pretty high chances that you will get the error, I
mean in between transfere, you never now where and which packet might get
out of sync due to many reason.

anyway - if you have support contract, get microsoft to really dig into
this. and let us know the outcome.

--
Regards,
Bernard Cheah
http://www.iis.net/
http://msmvps.com/blogs/bernard/

[quoted text, click to view]

jrbrady
8/22/2007 9:54:03 AM

Thank you for your response.

There are firewalls on each server, but they are configured to allow
complete access on all ports between them.

The client I'm using is Windows Explorer. Is there some other client, with
"resume" capabilities that you'd recommend?

I'm not sure of the connection between the two machines. They are colocated
at the same facility, and the connection between them is very fast. The
1.5GB transfer, when it works, takes about 8 to 9 minutes.

It might have something to with traffic between them, as you suggest. One
of the servers is a data server, running SQL Server, and the other is an
application server, which accesses the data server on the other.

[quoted text, click to view]

Bernard Cheah [MVP]
8/23/2007 12:00:00 AM

Well, you can google for it. most of the commercial one support download
resume..
I was using cuteftp

--
Regards,
Bernard Cheah
http://www.iis.net/
http://msmvps.com/blogs/bernard/

[quoted text, click to view]

Eas
10/29/2007 4:55:01 AM

Hi,

i'm having exactly the same problem with the same servers configurations.

It seems that files are downloaded until the end but when the client finish
to copy he realize that the file is corrupted for some reason and he delete
that.

The timeout is dependent by the size of the file but i suppose it is caused
by the client when it try to complete the downolad.

I'm fighting whit this issue for a long time and i did not find any
reference online for this. Did you solve it?

Bye

Got something to say? Click here to post a reply to this thread.

Don't see what you're looking for? Try a search.

View other messages about iis ftp

iis ftp : Timeout Issue