Important problem, Network connection problem....

[Sidney]

Hello Sir,
A customer who use eScan on his own Application server.
He had installed the latest eScan.
His server can work ok at some days. Maybe 3 or 12 days.
After some days, espeacially while server busy days, His application maybe can NOT connect, and Widnows remote desktop also can NOT work.
So The customer can NOT connect to the server to fix anything.
He found while eScan uninstalled, the problem will NOT happen.

What may cause this problem, and what should they do .

They have many servers use eScan. But now he just install two of them, because eScan may make Windows remote desktop can NOT use.

And he found while the server can NOT use remote desktop, ping the server is working ok.

Please help to solve the problem, he had the trouble for two months.
Because he following your support instruction, update eScan to the latest version, and tries for some days.But NOT work....

He use Windows 2003 Server....

[mln]

Could you kindly mention what windows 2003 they are using

• Microsoft Windows Small Business Server 2003 Standard Edition
• Microsoft Windows Small Business Server 2003 Premium Edition

Both have known issues i.e

After applying Windows 2003 Service pack 2 on Small Business Server 2003 you may see the following issues:

1. For both Standard and Premium:
Missing Help and Support service
R2 patch approve console has error on approval

2. For Premium with ISA Server 2004
Networking issues including NAT and VPN connectivity programs, Outlook not connecting, RPC errors, etc.

3. If after installing SP2 you notice that your Vista clients are slower to resolve network resources.

4. After removing Windows 2003 Service pack 2 on Small Business server 2003 you may find that some of your management consoles will not function due to the removal of MMC 3.0


ESOLUTION
After applying SP2, merely go to Microsoft update again and bring down the Post sp2 fix that disables RSS and checksum

See:
You may experience network-related problems after you install Windows Server 2003 SP2 or the Scalable Networking Pack:
http://support.microsoft.com/kb/936594/

Also review
Best practices and known issues when you install Windows Server 2003 Service Pack 2 on a Windows Small Business Server 2003-based computer:
http://support.microsoft.com/?kbid=939421

There will be no SBS 2003 sp2 specific version of Windows 2003 sp2. Thus all you need to do after the install of Windows 2003 sp is apply KB 936594 that will be offered up after you Microsoft Update the system.

Ensure that you review and read the Official SBS blog regularly at http://blogs.technet.com/sbs and in particular the following blog posts:

R2 patch approve console has error on approval:
RESOLUTION: Can be safely ignored.
http://blogs.technet.com/sbs/archive/20 ... vices.aspx

Networking issues including NAT and VPN connectivity programs, Outlook not connecting, RPC errors, etc.:
RESOLUTION: Needs network card driver updates, and disabling of RSS and Checksum offload settings.
http://blogs.technet.com/sbs/archive/20 ... emium.aspx

Missing Help and Support service:
RESOLUTION: Reinstall the service.
http://blogs.technet.com/sbs/archive/20 ... ack-2.aspx

If after installing SP2 you notice that your Vista clients are slower to resolve network resources:
RESOLUTION: Known issue with Vista and older (untuned) network cards on the Vista clients.
http://msmvps.com/blogs/bradley/archive ... alled.aspx

After removing Windows 2003 sp2 on Small Business Server 2003 you find errors on MMC snap ins:
RESOLUTION: Remove the MMC 3.0 files.
http://msmvps.com/blogs/bradley/archive ... g-sp2.aspx

[Sidney]

He did not use SBS 2003...
They use Windows Server Standard 2003 and Windows Server Enterprinse 2003...
They had a Server group for their own application...
If they remove eScan... everything will be OK...
If eScan installed.. The network problem will occur...

[vikas]

Can you please answer my below queries?

1. Which application he uses?
2. Does system gets hang?
3. Did you send the debug file after the problem pops up?
4. What does he do when the problem comes?
5. Does clients get any error messages?
6. Did you checked the event viewer when problem appears?
7. Which escan version he has installed and as a client or server?
8. When the system gets busy which process take huge utilisation?

please let me know following things in order to resolve your problem at the earliest....