I'm dealing with slow transfer speeds on our network to a certain server.

I have a Windows Server running Windows Server 2003 Standard 32bit.  When i transfer files from client computers to that server i'm only getting speeds of around 25-35mb per second.  When i transfer files to another server i'm around 110mb per second.  I need some ideas on what to try to troubleshoot this issue.  Thank you
jnikodymAsked:
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Jerry MillsCommented:
Some things to check:

1.  What is maximum speed of NIC on the server in question.  May have 100 Mb NIC.
2.  Check network path from client computer to server.  Looking for bottle necks.  i.e. QOS throttling etc..  10/100Mb Switch in path.
3.  What is processor in use and how much memory?
4.  View CPU usage.
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jnikodymAuthor Commented:
1. The nic is a 1gb card
2. All switches on the network are 1 gb switches
3. The processor is an Intex Xeon 2.8ghz, 2GB RAM
4.  CPU usage is low, 2%
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Jerry MillsCommented:
Try using IPerf or Lan Speed to test end to end speed between client and server.

https://iperf.fr/
http://www.totusoft.com/lanspeed.html

1.  Are any of the 1Gb switches managed?  
2.  Look for bad cables or cable that is not full 1GB specification which uses 8 wires.
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Jerry MillsCommented:
Also - try using wireshark on client and look for bad packets, resets from server etc..
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Windows Server 2003

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