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16
votes
6answers
819 views

VHD network file transfer fails consistently at 4GB

This issue has been extremely frustrating for us: when transferring a large VHD (virtual hard disk) file from a Windows 7 machine over the network to a physical Windows Server 2008 machine at our ...
14
votes
2answers
1k views

Reducing NetBIOS noise in a 50-seat, 30-server organisation

We are a development shop where all 50-odd workstation computers run Windows 7 SP1 and most of our 20-30 servers are Server 2008 R2 or Server 2008 (there are a few scragglers still on Server 2003). We ...
7
votes
3answers
358 views

Searching nearly free Security-Solution for School-Computer-Network

I am currently searching a (if possible completely free security-solution for a Computer-Network of a really small private School in the USA. The Infrastructure: Currently the school has one Server ...
6
votes
4answers
680 views

Setting up a small office network

I'm the de-facto system administrator for a small law office. I'm looking for help to setup the network in a good way. Here's the basic layout/requirements: Windows based. The Server: A headless ...
4
votes
6answers
1k views

Need help diagnosing network performance issues

I am currently working in a developing country as a system analyst for a government department. My area of expertise is software projects, but I've come across a few issues with the network setup in ...
4
votes
2answers
9k views

Permanently mount network share without the need for log on? (Windows)

On a Windows 2008 R2 Server (Standard) I need to have a network drive mounted without having a specific user to log on to the machine first. Sort of like an NFS mount via fstab on Unix machines. The ...
4
votes
1answer
166 views

Can too much network transfer break a Windows Server 2008 machine?

I have a Windows Server 2008 R2 machine which has been having intermitted networking issues. After 29 days, 14-ish hours uptime, I find it's not responding to RDP commands again, yet I can access it ...
4
votes
4answers
151 views

Determining who is running with administrator rights?

I work at a small non-profit organization with about 55 desktop PCs running Windows XP Pro. The domain controller is running Windows Server 2003. I have a two-part question (note that I'm a bit of a ...
3
votes
1answer
78 views

Corporate Windows Network Performance

We operate a Windows 2003 Active Directory network. As the new IT manager I've inherited this infrastructure from previous outside contractors that have come in to help maintain our company network. ...
3
votes
3answers
338 views

Force transmission of TCP/IP data from one NIC to another on same PC

We are preparing a product for EMC testing. The product runs Windows Embedded Standard 2009 (compare it with Windows XP) and has 2 NICs, say NIC1 and NIC2. For the emission test, we need to send data ...
3
votes
3answers
303 views

How do you prevent IIS accepting TCP connections when stopped?

I am running IIS 7 on a windows 2008 R2 machine and have found that stopping IIS does not prevent it accepting connections. Stopping IIS won't even kill an active telnet session on port 80. The ...
3
votes
6answers
4k views

SQL Server 08 Express error when connecting to localhost - “Timeout expired”. Works with ::1 or 127.0.0.1

EDIT New info: Navigating to localhost:1434 in Chrome gives me an "ERR_EMPTY_RESPONSE", while other ports give me an "Oops! This link appears to be broken". So it seems to binding ok there? So ...
2
votes
2answers
411 views

why is our router crashing?

Our router began crashing 6 weeks ago. We put it down to our DSL provider and then to power outages that seemed to coincide. But the crashes increased in regularity and then last Friday our router ...
2
votes
1answer
56 views

CentOs Vmware networking

I have CentOS server installed inside vmware for testing puprose. For some strange reason When it comes up it won't get IP address properly So, I have to manually use 'ifdown' and 'dhclient' every ...
2
votes
3answers
4k views

How to Make Windows Network Visible to Linux Server Box?

Salvete! I have a machine running CentOS 6.2. In the GUI, if I click on "Network", I get a messagebox saying: "Unable to mount location - Failed to retrieve share list from server" I can ping the ...
2
votes
3answers
965 views

Need to setup an office network, suggest some hardware?

We have 6 windows workstations, spread out over a fairly large area. Need to share a DSL connection (upgrading to 100/100 mbit fiber in a few months) with these machines over a 1gbit network. Also ...
2
votes
4answers
496 views

Mimic the behavior of a machine added to a domain

For some reason, the IT department at our company does not want to add Windows 7 and Windows Vista machine to the domain controller. I hate to always provide my network credentials everytime I access ...
2
votes
2answers
106 views

Offsite network/data center for disaster recovery

I'm designing an off-site server room for disaster recovery purposes. This off-site space will house duplicates of production servers and backup systems (around 10 Windows systems in total). The ...
2
votes
1answer
136 views

How to view files on a computer on a different network

We currently have 2 in-office networks coming in with different routers and IPs for each. What I am trying to do is to configure a one server from each network to connect to each other and be able to ...
2
votes
1answer
896 views

IP address conflict with MAC address 00:00:00:00:00:00

One of our Windows 2003 R2 ISA firewall servers recently had a 1-hour spell of intermittent connectivity to our Internet WAN connection, which was fixed after disabling then re-enabling the network ...
1
vote
2answers
643 views

Accidentally set .255 IP address - how can I ssh to the machine?

A server's static IP address got set to x.x.x.255 on a Windows network, but apparently .255 addresses are broadcast addresses to windows. So now I can't connect to the box from my Windows machine. ...
1
vote
2answers
138 views

WinServer 2008R2, Two NIC's, forcing an app to use one of them

Short form question: Is there a way to tell an app to use the secondary NIC as a route even if it has a higher metric? Long form question & explanation: I have a Windows Server 2008R2 with two ...
1
vote
1answer
1k views

Configuring a LAN-WAN routing using Windows 2003 Server

I have an Internal LAN and an WAN Connectivity in my office. The followings are the statistics for the two: LAN IPs: 192.168.50.1 - 192.168.50.5/24 WAN IP: Assigned by the ISP using DHCP I connected ...
1
vote
2answers
454 views

Is it bad that latency for our internal LAN varies greatly within the 15 - 40 ms range?

I've always thought the "typical" latency for a small office wired Ethernet network would be <5 ms. However, pinging the default gateway yields an average of 14 ms, and any host is around 30 ms. ...
1
vote
1answer
84 views

What is the minimal setup for a file server supporting file permissions connected by a handful of client machines

In the past our small firm has been file sharing via a Windows Workgroup with a mix of <10 XP, Vista and Win7 machines. I understand the basic concept of a Workgroup vs Domain and the advantages ...
1
vote
1answer
239 views

Dual network interfaces in Windows Server 2008: same network, different IP address, one wired card and one wireless

When I plug in two wired NICs to the computer, I can get two IP addresses on the same network. Is such a setup possible with one wired ethernet card and one wireless card? If so, how? If not, is ...
1
vote
0answers
56 views

Windows Filtering Platform blocking packets for legitimate traffic

I am running into an issue with traffic from a webapp server to a database server being blocked or filtered. I have allowed inbound and outbound traffic on the needed ip and port with a firewall rule, ...
1
vote
0answers
59 views

Multiple connections using multiple IP addresses to same PC

Background: I have a network management application (like Nagios or OpenNMS but not either one) under testing that requires all managed devices to have individual IP addresses ie. SNMP traps received ...
1
vote
0answers
71 views

Standards for evaluation of quality of Internet access services [closed]

On the site of Pittsburgh Supercomputing Center ( http://www.psc.edu/index.php/hpn-ssh ) shows detailed procedures for system tuning under various operating systems to provide a high bandwidth ...
1
vote
1answer
180 views

How do I ensure that the SQL*Net keepalive is turned on?

I have a public facing application server that accesses an Oracle database that resides behind a firewall. Some of the processes that are executed through the application server can run for over an ...
1
vote
1answer
111 views

Network profile reverts to 'Unidentified' following Windows Update reboot

I have searched high and low for a solution to this problem. I have multiple servers running Windows 2000 Server as well as Windows Server 2003, 2003 R2, and 2008 R2. All of these servers are on the ...
1
vote
0answers
88 views

AP Clients not pingable from outside

Here's a rough scheme of my network: - http://i.stack.imgur.com/zrlJJ.png The network is divided into VLANs. The linksys device is connected to a VLAN20 access port. Clients 4, 3, 2 ping the rest of ...
1
vote
1answer
218 views

Static route works on one computer, not the other

I have been struggling with this for a couple days now, maybe I just need some people with a fresh perspective to figure out what the issue is. Basically I have a bunch of computers that are being ...
1
vote
0answers
98 views

XEN - (magic) networking issue

I have a very strange situation and do not know where to look. I have a XEN installed on Ubuntu 12.04 LTS. My hosting-provider does require, that every new IP my server uses has an own MAC-address. ...
1
vote
1answer
352 views

Mysterious login attempts to windows server

I have a Windows 2008R2 server that is reporting failed login attempts from a number of workstations on our network. Some event log details: Event ID 4625, Status: 0xc000006d, Sub Status: 0xc0000064 ...
1
vote
3answers
121 views

Route VPN Traffic From Linux Box To Windows Box

We have a VPN client running on Windows (because that's the only OS the VPN client will run on) and we have some linux boxes that need to route traffic through that VPN for 10.x.x.x IPs. I'm not sure ...
1
vote
1answer
277 views

How do I troubleshoot network connectivity problems in windows?

I'd really like to understand how to debug my network connectivity issues, but everything I find on the internet is either for basic users on "How to add a wireless network" or it's people talking ...
1
vote
1answer
280 views

Windows 7, network shares, and authentication via local group instead of local user

I have been doing some troubleshooting of my home network lately and have come to an odd conclusion that I was hoping to get some clarification on. I'm used to managing share permissions in a domain ...
1
vote
3answers
197 views

DHCP problems with Windows Vista x64 machine

One of our computers has started to constantly acquire a new lease from our DHCP server (a Trendnet router.) I get these 3 messages every couple of minutes, and the messages are logged at the same ...
0
votes
3answers
77 views

Windows: How to know which client is connected to the other end of the cable, by looking at this end of it?

I have a bunch of cables disconnected from a faulty network switch. What is the fastest way to determine which cable goes to which client PC (windows) / server (windows) / other devices etc..
0
votes
1answer
67 views

Basic Windows networking questions

Basically I got started looking into this because I got tired of just selecting stuff like NETWORKSERVICE just to make things magically work across our network, and wanted to learn more about what is ...
0
votes
1answer
39 views

Delay in file-availability on Windows server

I have a Windows 2008 R2 server where I do a lot of processing and store huge data sets. I have several computers all doing local processing, fetching and returning data to the server. I have noticed ...
0
votes
1answer
502 views

Windows Server 2003 with Two NICs, one WAN and one LAN

I have a Windows Server 2003 VM with two NICs, one that is connected to a private VLAN and one that is connected to a public-facing VLAN. I have manually assigned addresses to both connections. How ...
0
votes
2answers
85 views

Creating two different domains on single machine

I have one DNS server installed on windows 2003 server in our private network. I have configured one domain (xyz.com) on this same machine with all forward lookup and reverse lookup zone. Now I want ...
0
votes
2answers
3k views

Windows Filtering Platform blocking packets from workstations on a Domain Controller

Our primary DNS server (as dictated by our DHCP configuration) is running Windows Server 2008 R2 and is also one of our Domain Controllers. In its Security event log we can see that there are ...
0
votes
2answers
153 views

How does a network update its IP lookup when a PC switches between wired/wireless?

We have PC's that switch IP's when they go between wired and wireless access to our network. Unfortunately when a PC goes from wireless to wired, all the other computers on the network are not made ...
0
votes
2answers
212 views

How to remap IPs visible from local machine to IPs visible from a machine I have SSH access to?

I'm so far out of my depth I don't even know what to google for. There's a server I can connect to via SSH. Via that server I can access other server on its subnet via SSH. What I want to do is be ...
0
votes
3answers
46 views

Windows: Get the interface number of a NIC

I have the following problem: I have a server with a rather dynamic network configuration and need to configure routes on it with the IF parameter: route add ... mask ... ... if ? Is there a ...
0
votes
1answer
258 views

Some machines in my network can't access a specific website

Something pretty bizarre is happening here. I'm try to access a website from some machines inside my network and I just can't, while other machines access it normally. The website is ...
0
votes
1answer
407 views

Network share not accessible by IP

Overnight one of our servers (Win 2K8 R2) began having problems connecting to a network share (Win 2K3 R2 x64) by IP. The server has for months accessed the network share by IP for certain purposes, ...

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