Recent IT Questions

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TCP Retransmissions b/c of Checksum Incorrect

We have a problem where some users will complain of slow application response time (on the LAN) from our ERP server, but others will be fine. After many hours of troublshooting I've discovered the following:- Packet Sniff's of affected users shows TCP Retransmissions because the Checksum is...

View Answer   |  Jul 19 2007   3:55 PM GMT   |  asked by tbitner
Networking, Availability, Bandwidth


intermittent dns issues not affecting entire network

Hello, everyone. There are two users in my office who are suddenly unable to access some internet sites that they have always been able to access before. I am able to navigate to the sites from other machines in the office with no problems. The two users who are having problems are receiving the...

View Answer   |  Jun 29 2007   11:53 AM GMT   |  asked by kfettig
Networking, Protocol analysis, Network monitoring


Firewall rules

Good Day!Currently, this is a simple LAN network with firewall diagram in my company. Please kindly refer to http://hgym.photosite.com/firewall/LANfirewall.html for the mentioned diagram.I wish to set an IP on the network interface of the FTP/Web/Mail Server. Any suggestion?Meanwhile, I...

View Answer   |  Jun 28 2007   11:02 AM GMT   |  asked by hunkgym
Cabling, Remote management, standards


Dell Optiplex GX520 hibernation/sleep mode issues

Hello,We have several Dell Optiplex GX520's on the network running Windows XP pro. They randomly fall into sleep mode. Moving the mouse will not wake them - you have to push the power button to get them out of sleep mode. Also we are not able to remotely wake them to do patch updates or remotely...

View Answer   |  Jun 26 2007   3:45 PM GMT   |  asked by jmello
Hardware, Microprocessors, NIC


I need your input

Howdy folks,I have the following set up:2 Domain Controllers - Win2k3 Standard 1 member server with Exchange 2003 Standard100 XP Pro workstationsT1 connectionCurrently I use a sonicwall Pro 200 firewall, Symantec Corporate edition 10 AntiVirus, and Symanted Mail Security for Exchange.Everything...

View Answer   |  May 3 2007   2:49 PM GMT   |  asked by TheVyrys
Compliance, Laws, Regulations


Looking for clarification on new IP layout

I currently have a 192.168.1.0/24 network. I have one cisco router with many cisco switches that allow everyone to have a DHCP ip of 192.168.1.X. I will soon have more people then the /24 will handle, so I would like to switch to:172.16.30.0 subnet255.255.254.0 mask172.16.31.255 broadcastThat...

View Answer   |  Apr 2 2007   2:26 PM GMT   |  asked by kevins74
Career development, Networking, Availability


Ristricting sites in group polices on server 2000

hey,i recently tried to restrict certain sites in group polices for a particular group on my network, however the restriction seems to have replicated itsel to the other policies on the network including me the administrator. I went thru the group policies etc., internet securities, so on and so...

View Answer   |  Feb 2 2007   2:12 PM GMT   |  asked by Intuition
Networking, Availability, Bandwidth


Please help me…If you know the answer, please put the number and write the answer.

1. The client currently has a A company's dial-up ISP connection, but has just installed B company's broadband as a replacement ? in the month or so it takes to stop the A company's subscription will you be able to:-a. Connect to the A company's POP3 server to receive the A company's emails using...

View Answer   |  Feb 1 2007   9:11 AM GMT   |  asked by 111110
Exchange, Spam, Exchange security


What is NAT port forwarding?

Describe in brief how you would set up port forwarding on a NAT router to allow a PC on the LAN to publish its web to the internet.

View Answer   |  Jan 31 2007   6:23 PM GMT   |  asked by 111110
Exchange, Instant Messaging, OS


Routing Between Subnets and between networks

1.I have two separe networks 192.168.0.0 and 192.168.1.0 ,they r physicall connected. What should i configure and where to configure so that host of each network can connect to other host in other network.2.I have two separe Subnets(after subnetting a class B network),they r physicall connected....

View Answer   |  Jan 10 2007   4:12 AM GMT   |  asked by chinmoymohanty
Networking, Availability, Bandwidth


Exchange 2000 server and ms outlook 2000 installation,configuration

Hi,I am going to deply MS Exchange 2000 server in my organisation, Before that we have no message system, Now we have 200 systems of windows XP/Windows 98 with MS Windows 2000 Advanced Server. Pls guide me how to Install and Configure MS Echange 2000 Server and MS Outlook 2000.What r the parameters...

View Answer   |  Jan 8 2007   11:09 PM GMT   |  asked by chinmoymohanty
Exchange security, Hardware, Cabling


odd NIC problem

Howdy all...I have a win2k3 member server with 2 onboard Intel PRO lan connections. One is 100mb the other 1000mb.On the 100mb connection, I can set either a DHCP or Static TCP address and it works fine.On the 1000mb connection, it works fine on DHCP, but absolutely refuses to connect with a static...

View Answer   |  Oct 20 2006   5:47 PM GMT   |  asked by TheVyrys
Hardware, Cabling, NIC


terminal server on sbs 2003

i have a sbs2003 with the last patch and update's', and i want to know if there a way to install a terminal server on him? and i dont ment to the built-in terminal server that allow administrator's to connect to the server, i'm talking about connecting user's to the terminal server, something about...

View Answer   |  Sep 15 2006   8:13 PM GMT   |  asked by drorbeny
Exchange, Spam, ClearSwift


Network Monitoring tool

HiI am new to network monitoring. I am looking for pure software based network monitoring/analyzer/traffic generator application that will support 10, 100 and 1G ethernet interface. The application need to run on a laptop sothat when a tech goes out he will be able look at the network from the far...

View Answer   |  Sep 12 2006   2:51 PM GMT   |  asked by syoganat
Networking, Availability, Bandwidth


Monitoring the Network

Hi,I have multiple remote sites. I would like to monitor the network and analyze the traffic and its performance in general. For example, how the bandwidth is consumed, if certain activities are unnecessary and how to improve the networks performance by blocking through the firewall like...

View Answer   |  Sep 11 2006   0:51 AM GMT   |  asked by maryam82
Data analysis, Networking, Availability


Software based WIN Simulation

Hi,I need to test out an application over WAN. The testing includes the response time with different delays and bandwidth requirements. Is there any piece of software (preferably opensource/freeware)which can simulate the WAN for me? The idea is to install two NICs in the Windows/Linux machine, put...

View Answer   |  Aug 30 2006   2:30 AM GMT   |  asked by SADnBLUE
Data analysis, Hardware, Servers


Installation and updates

Howdy folks,Tryin to keep things going around here....need some advice.I have Win2003 servers and Active Directory.....single domain....approx. 100 client computers.....one location.Am upgrading all computers from Office XP to Office 2003.My project: Install Office 2003 and all updates remotely...

View Answer   |  Aug 2 2006   9:36 PM GMT   |  asked by TheVyrys
Project management, OS, Servers


Unable to detect a parity error with Windows SDK on a PCI serial card

We are using a 9-bit protocol which sometimes sends a mark state and sometimes sends a space stage. When a space state is sent we want to be able to get a parity error in SDK. We can see the parity error in the hardware register but we want to be able to see the error with Windows SDK software. ...

View Answer   |  Jun 1 2006   2:26 PM GMT   |  asked by kfink04
Data warehousing applications, standards, Microsoft Windows


Network Resource Allocation cum Planning cum Technical Problem

This is the real commercial problem face by my company. Well, the reason I ask this problem is I salute and respect all of you as I believe all of you are as good as network solution company out there, or even better!! Lets me rephrase the entire problem again. Company expand so fast that the IT...

View Answer   |  May 15 2006   10:17 AM GMT   |  asked by hunkgym
Budgeting, Business/IT alignment, Compliance


Design NEW network cum NEW IT infrastructure-2

Company expand so fast that the IT infrastructure is not fast enough to cater high volume of traffic; the initial design is not scalable. The number of new branch offices setup caused the company pay a high price in the leased line communication. Salesman and management staffs dial into company...

View Answer   |  May 14 2006   8:21 AM GMT   |  asked by hunkgym
Budgeting, Business/IT alignment, Vendors


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