Question

Windows 2003 server shares have extremely slow access times compared to W2K server

Asked by: chitchcock

I am upgrading my W2K server environment to Windows 2003.  I have Windows XP pro clients.  My W2K shares access very quickly.  BUT, for some reason, my Windows 2003 DC with shares is painfully slow accessing local shares.  It can take 5 minutes to copy a 10 meg file from the Windows 2003 server to the XP Pro client.  
Is this a bug with WIndows 2003 server?  I have found some articles in Google which show others have this same issue.  

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Asked On
2007-09-17 at 06:11:22ID22832995
Tags

2003

,

windows

,

slow

,

server

,

access

Topics

Windows 2003 Server

,

Operating Systems Miscellaneous

,

Active Directory

Participating Experts
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Comments
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Answers

 

by: StuFox100Posted on 2007-09-17 at 06:15:47ID: 19904590

 

by: PberPosted on 2007-09-17 at 06:17:14ID: 19904598

Check your speed and duplex settings on the 2003 machine.  I suspect a mismatch in duplex settings between the server andf the switch.  Hard code both ends to 100/full or Auto/Auto (or whatever your network speeds are).

 

by: chitchcockPosted on 2007-09-17 at 06:49:47ID: 19904869

My switch automatically switches speeds to that of the NIC's connected to it.  I am trying the TCP according to the KB article listed above and will let you know if that resolved the issue

 

by: chitchcockPosted on 2007-09-17 at 07:27:36ID: 19905166

Found something interesting.  One of my clients is fast.  When I check the logon server using set L on that client it authenticated via the server that hosts the shares, the access is very fast.  XP clients that authenticate to another DC (others with w2K server) are very slow.  I think I am on to something here.  

 

by: ocon827679Posted on 2007-09-17 at 07:30:59ID: 19905202

If the KB article doesn't work, you may want to try Pber's suggestion.  Some NICs and switch combinations just work better when hard-coded.  Also you may want to rule out the possibiliy of a bad cable on the server, especially if you are using teaming.

 

by: chitchcockPosted on 2007-09-17 at 07:51:05ID: 19905386

The server share is accessed at normal speeds by a few users.  This would negate the possibilty of it being a bad cable on the server side or switch configuration; no?  

 

by: chitchcockPosted on 2008-01-07 at 05:36:02ID: 20598971

This fixed it:

Windows 2003 SP2 has some new network features that may not be supported by network devices. Lets perform these steps to disable them:

1. Click Start, click Run, type regedit , and then click OK.
2. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters

3. On the Edit menu, point to New, click DWORD Value, and then type EnableRSS .
4. Double-click EnableRSS, type 0 , and then click OK.
5. Exit Registry Editor.

If you are still experiencing problems (like slow file copying), you should also disable Offloading support:
=========
1. Click Start, click Run, type regedit, and then click OK.
2. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters

3. In the right pane, make sure that the DisableTaskOffload registry entry exists. If this entry does not exist, follow these steps to add the entry:
a. On the Edit menu, point to New, and then click DWORD Value, and then type DisableTaskOffload .
4. Double-Click DisableTaskOffload, type 1, and then click OK.  
5. Exit Registry Editor.

(Reboot to make both changes effective)

 

by: LunchyPosted on 2008-01-18 at 09:21:23ID: 20692156

Closed, 500 points refunded.
Lunchy
Friendly Neighbourhood Community Support Moderator

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