Windows Server 2003 Slow Down

Hi gang,

I have a critical situation and I’m not sure how to diagnose this.  Our set up has been running fine for 4 years and starting this week things have started to go crazy and slow.

Here is what we have.  We are running a SafeOffice firewall with checkpoint on it.  We have 3 Windows 2003 Domain controllers and 3 Windows 2003 Servers for File and Print.  We have a dozen XP PCs that map drives to the file servers to access Quickbooks, a home grown PHP application and MYSql, several Access 2003 databases and a bunch of Word and PDF files.

All of a sudden we are seeing extreme slowness when working with the File and Print systems.  We are getting messages on the PCs that it “can’t find the file path”.  We have rebooted the DCs and the Servers many times.

I have viewed the event logs and I don’t see anything.  Here is an example of what we are seeing.

File Server named FP1.
On FP1 is the data drive that is shared out.   If I go directly to FP1 and I go to D:\Data\Doc1\.   I do a copy of document.pdf from there to D:\Data\Doc2.  It is 167MB in size.  On the server, it takes 6 seconds to copy.

If I go to a PC that has D:\Data mapped as  F:\ and I go into F:\Doc1\  and I do the same copy of document.pdf from there to F:\Doc2.  It takes over 30 minutes to copy.  This happens on all computers and we see it when we open an Access database file or any other type of file operation.  As a note, I have tried this from a Windows 7 system with the same issue.

What ever we try works fast locally, but as soon as we go to a PC and access anything on a mapped drive it takes forever.

Again this just started happening.  Any help would be greatly appreciated.

John
stargazerm31Asked:
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Thomas GrassiSystems AdministratorCommented:
What is your network setup?

Router ?

Switch?

Lan Speed?

cable cat 5 cat 6 ?

How many patch cables between computers and switch ?
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Nick RhodeIT DirectorCommented:
What kind of switch is in place, servers on a different switch in comparison to the PC's?
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stargazerm31Author Commented:
Thanks for the response.  Here is more information.  

We use CAT6 cables.  Network runs at 100Mb.

Router -> Safe@Office 500W  -> Netgear Prosafe GS116 Switch -> Linksys EZXS16W ->
All Servers, DCs and a couple of the XP PCs are on this switch.  

The PCs on the Linsys switch with the Servers are having the same issue.  If I go to a DC server and perform the same copy, it works fine.  It seems to be isolated to the File and Print servers.

In short there are two 6', CAT6 cables and the same Linksys switch between a PC and the Server.

Thanks
John
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stargazerm31Author Commented:
Router (Safe@Office 500W)
                                                                      |
                                                                   Netgear GS116 Switch
                                                                      |
             -----------------------------------------------------------------------------------------------
             |                                                       |                                                          |
Linksys EZXS16W                               Linksys SD205                                     Linksys SD205
              |                                                      |                                                          |
3 F&P Servers                                    2 PCs                                                     2 PCs
3 DC Servers                                      1 printer                                               2 Printers
4 PC's
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stargazerm31Author Commented:
I have checked the Event Logs and I don't see any issues in any of them.  

Anti-virus comes up clean.  Malwarebytes is clean.

John
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Thomas GrassiSystems AdministratorCommented:
OK

Why do you have the Linksys SD205 and Linksys EZXS16W in the mix?

Can you plug all network devises directly into the Netgear Switch
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stargazerm31Author Commented:
Sorry mis read and re-entering the reply.  There aren't enough ports on the port.  Again, I'm not sure I see the question.  A PC and a DC have no issue and they go through the Linksys switch.  It is only when we go to a FP server that the issue arrises.  We have swapped the port on the switch that the FP server goes to but that is not the issue.  I don't see any issues with the NIC.  Downloading things from the Internet to the FP server is fast and not an issue.  It is only when other PCs hit it for files.

Thanks

John
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stargazerm31Author Commented:
To clarify what I have found.  If I'm on a PC that connects to a DC that is on the Linksys EZXS16W.  There is no slow down or issue.   If I'm on a PC that is on one of the other switches (Linksys 205) and it gets files from a DC or a PC that is on the EZXS16W switch, there is no issue.   It is only when a PC or DC tries to manipulate files or data on one of the FP servers that there is an issue.  Again, we have rebooted the FP.  There don't appear to be viruses or Malware.  There are no event logs.  There is nothing that appears to be an issue.

We do get from time to time "Cannot copy File-Name: The specified network name is no longer available.
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Thomas GrassiSystems AdministratorCommented:
Can you post a copy of ipconfig /all from all DC's all FP's and any pc
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Nick RhodeIT DirectorCommented:
Whats the performance monitor say on the FP server?
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stargazerm31Author Commented:
High guys.  You both were giving me feed back on things to look for so I have given points to both.   I gave trgrassijr55 more points because he provided more information.

Here is what we found.  We had moved the FP servers to different ports on the EZXS16W with no change and the DCs where still fast as were the PCs on that switch.  We finally thought there was a virus or something and had decided that we were just going to rebuild them.  Not fun.  Finally we decided to do one last easy step and plugged the FP servers into the main GS116 switch and they worked great.  The funny thing was now the DC servers were dog slow and we hadn't moved their ports.  It was obviously the EZXS16W flaking out.  We swapped in a new switch there and everything is working fine.  Thanks for your fast comments and help.
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Windows Server 2003

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