How to Troubleshooting Latency

I currently have a user that is experiencing latency on their windows 7 workstation.
This user is running a program locally but the program looks out to network for different files.
I looked at my switch logs and server logs but I’ not seeing anything, I really believe the problem is local or something with authentication for permissions. I am trying to see what the best way to track this down; do you know of a program that I could put on the PC to see where the latency might be?

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Don ThomsonCommented:
Have you pinged the server that has the other files that the client is accessing. Try pinging it by name and by IP address. If the pinging by name looks like the problem - then add the server name and IP into your Hosts file. (Located in C:\windows\system32\drivers\etc\  folder.
ahmad1467Author Commented:
I have tried pinging by name and by ip, the drive mappings are actually mapped by the server name.
The problem doesn’t happen all the time, it’s like I need a way to monitor it so that when the problem comes up I can see what is going on at that time.
Don ThomsonCommented:
Drive mappings normally are configured by the unc.  If the ping by server name (unc) is slower than the pinging by IP address, then you can use the HOSTS file to correct that.

However - IF it just happens occasionally, try going into the NIC card properties and uncheck the box that says to power down the nic to save power.   IF you go to the network devices and right ms click on properties, you get a general tab with all the services in the middle - Just above that IT shows the actual make of the NIC - Click on that and there should be a power management tab (some older nics may not have a power tab - but it will be in one of the tabs.

This was started by MS several years ago and on a new system, MS assumes that the all windows will be loaded on a laptop on batteries so they make this power down the default.  It can take a couple of seconds to power the NIC back up.  I always turn it off
Alessandro ScafariaInfrastructure Premier Field AdministratorCommented:
My advice is to try to isolate the problem…

TEST 1 (NIC problem)

-      Try to install a brand new NIC on the workstation to see changes.

TEST 2 (Switch problem)

-      What kind of switch are running? Are they managed or unmanaged? Have you tried to isolate the switch? (could be affected of such hardware problem)

TEST 3 (OS problem)

-      Have you tried to install the program in another workstation? Is latency still present?

TEST 4 (Cabling problem)

-      Have you tried to change workstation position in the facility?

Let us know.....

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