Re: network slows down after SP2 install
- From: "Susan Bradley, CPA aka Ebitz - SBS Rocks [MVP]" <sbradcpa@xxxxxxxxxxx>
- Date: Thu, 31 May 2007 20:08:32 -0700
Also did the tech really tell you to reinstall the workstations?
jim smith wrote:
Robert:.
The only item on your list I cannot address as already being done is item 3. I will check that later this morning.
It still bugs me that SP2 would be this harmful.
My users still use ACT! 6.0 and before SP2, they could open the database and run just fine. Now, the program will open the database and then fail, giving a hard error. That's the XP Pro, original installs. These machines cannot even run the program locally being disconnected from the server with a local copy of the database. Some policy or something has been really hosed. However, the machines updated from W2K still open and read the database just fine! Go figure.
Jim
"Robert Li [MSFT]" <v-robeli@xxxxxxxxxxxxxxxxxxxx> wrote in message news:rlLjkv2oHHA.1144@xxxxxxxxxxxxxxxxxxxxxxxxx
Hi Paul,
Thanks for posting in our newsgroup and also for Susan's input.
First you have called the MS phone support, but it's not resolved. The
problem is really complex. Thanks for your time and patience.
Please take the following steps:
Step 1: Disable SMB signing.
SMB signing is designed to prevent against Man-in-the-middle attacks but
will reduce network performance because every packet has to be signed, and
every packet has to be decrypted.
To disable SMB signing in Windows 2003, perform the following steps.
1. Open GPEDIT.MSC
2. Open the "Computer Configuration\Windows Settings\Security
Settings\Local Policies\Security Options" folder.
3. Locate the "Microsoft network server: Digitally sign communications
(always)" policy setting, and then click "Disabled" or "Do Not Configure".
You can also modify the following key to disable SMB signing.
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameter
s]
"enablesecuritysignature"=dword:00000000
"requiresecuritysignature"=dword:00000000
Step 2: Look at the following KBs:
927695 You cannot host TCP connections when Receive Side Scaling is enabled
in Windows Server 2003 with Service Pack 2
http://support.microsoft.com/default.aspx?scid=kb;EN-US;927695
Windows 2003 service pack 2 known issues on Small Business Server 2003
http://support.microsoft.com/?id=555912
Step 3: Take the steps in KB 321098
Slow network performance occurs if you copy files to a domain controller
that is running Windows 2000 or Windows Server 2003
http://support.microsoft.com/kb/321098/
Step 4: On the server, change the NIC properties.
Go to Internal NIC properties, On general tab clicked configure button,
click advanced tab,
Turn off following properties
Offload Receive IP checksum,
Offload Receive TCP checksum,
Offload TCP segmentation,
Offload transmit IP checksum
Offload transmit TCP checksum
Step 4: Install SP2 for WIN XP and latest service pack for Office 2003 on
client computer.
I am looking forward to hear from you.
If you need further assistance, please don't hesitate to let me know.
Best regards,
Robert Li(MSFT)
Microsoft CSS Online Newsgroup Support
Get Secure! - www.microsoft.com/security
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--------------------
<Reply-To: "Paul Fitzgerald [MSFT]" <paulfi@xxxxxxxxxxxxxxxxxxxx>
<From: "Paul Fitzgerald [MSFT]" <paulfi@xxxxxxxxxxxxxxxxxxxx>
<References: <A7900F82-BFD9-42CD-90C0-F31782C5C76D@xxxxxxxxxxxxx>
<In-Reply-To: <A7900F82-BFD9-42CD-90C0-F31782C5C76D@xxxxxxxxxxxxx>
<Subject: Re: network slows down after SP2 install
<Date: Wed, 30 May 2007 22:33:04 -0700
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<
<They all had to be flattened and XP Pro re-installed
<
<are you saying that a support engineer from microsoft asked you to
reinstall
<all of your clients?
<
<
<"jim" <jim@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
<news:A7900F82-BFD9-42CD-90C0-F31782C5C76D@xxxxxxxxxxxxxxxx
<> The blog notes and instructions from the SBS blog have all been heeded.
<> 32
<> hours of talking with tech support on the phone, changing the nic card,
<> updating all the drivers, and still, the system is dogging to the point
of
<> being painful. Here is the unexplainable issue: I have 5 new machines,
<> all
<> came from Dell with XP Pro installed. They all had to be flattened and
XP
<> Pro re-installed. They worked great until SP2 was installed. Now they
<> take
<> 5 minutes to open an 8MB spreadsheet they used to open in 20 seconds.
My
<> 3
<> old machines were upgraded from W2K to XP Pro and they worked fine
before
<> SP2
<> was installed. Afterward, they are slower, but work better than the new
<> machines. The old machines can still run ACT 6.0. The new machines fail
<> with a program error after opening the database. Explain that!
<>
<> All file access to the network is so slow now. Don't suggest anything
<> previously mentioned in the blog. 4 MS engineers can verify that all the
<> tricks have been done as outlined in this blog.
<>
<> There must have been some other deep layer of connectivity between the
<> server and workstations that does some kind of handshaking/security
<> checking
<> that is slowing things down. Excel seems to have been hit the hardest.
<> It
<> is a terrible thing to see a 2GB 4Ghz Dual Core processor take 60
seconds
<> to
<> copy 10 files of 80K each from the network to the local drive.
<>
<> I have 5 SBS 2003 servers and 3 of them are just fine. This one is dying
<> and SP2 failed to install on the other one. I am afraid to work the
issue
<> as
<> it might turn out like this one.
<>
<> I really do need ideas and help short of flattening the server, as that
<> may
<> not help anyway. Ideas, anyone?
<
<
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