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0answers
6 views

Can't access share sometimes and some strange performance issues

I'm getting error 0x80070043 "The network name cannot be found" when accessing \\dc01 (the root), but can access shares via \\dc01\share. When I get that error I also didn't get the network drive on ...
2
votes
1answer
822 views

Windows 2008 R2 Server: Network zones (Public / Private / Domain) Seem to change randomly

So far on 2 occasions we have noticed that the network zones assigned to our server nics has been changed without any interaction on our part. This is out of a few hundred servers we manage. Case 1) ...
2
votes
2answers
53 views

Running own DNS in intranet, how to reach outside DNS from clients

The Scenario: I am creating a Network for 8 Windows 7 Workstations running in a Student Laboratory. They are supposed to browse the internet, but not to be reached from outside their intranet. To ...
0
votes
1answer
40 views

Cannot access Windows default shares using windows credentials

I am on (Windows 8 -ADMIN-PC) (192.168.1.10) with DNS. My other PC (windows 7 -USER-PC) (192.168.1.11) with same DNS In my PC (Windows 8 -ADMIN-PC) I try to access user-pc by using windows explorer ...
0
votes
0answers
176 views

base filtering engine fails to start - error 5 access denied. Server 2008 R2

We had a major server fault over the weekend where some hard drives and the mainboard's raid controller failed. Mainboard and HDD's replaced - the Windows Server 2008 R2 is loading up, but many of the ...
0
votes
1answer
32 views

Windows 2003 Server can connect to the netwerk, but no client can connect to this server

I have a Windows 2003 Server (AD) running and after updating the server with the latest MS patches the server cannot be seen on the network anymore. The clients cannot ping it, access the http server ...
3
votes
8answers
5k 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 ...
-1
votes
1answer
129 views

Why Linux guest VMs performs better than Windows ones in terms of network?

I am testing the network performance of VMs in Xen and Hyper-V using Iperf and Netperf. In both hypervisors I found a Linux guest VM in different modes is having a relatively high performance than a ...
2
votes
1answer
139 views

Unidentifiable DNS entry

I have a DNS lookup for an IP that is coming from somewhere however I cannot locate where. I have checked my entire DNS infrastructure and the device itself but all have the correct name, when I run ...
1
vote
0answers
14 views

Windows network failing, not present on linux clients

got a really strange one for you all. I have a network setup using a linux machine as a gateway between various network segments (on seperate nic's) and virtual machines (one of which is a mail ...
1
vote
1answer
77 views

Can I (temporarily) have two machines with the same name on the same network?

We're upgrading the software on two servers and, in the process, also migrating from Windows Server 2008 to Windows Server 2012. All servers are VMWare images. During the migration, we will have a ...
1
vote
0answers
181 views

Ping request fails first request on one subnet/NIC. Other traffic very slow

I have a server with 2 NICs each configured on a separate subnet: NIC1 xxx.xx.151.10, mask 255.255.252.0, gateway xxx.xx.148.1 NIC2 xxx.xx.148.10, mask 255.255.255.0, gateway None, but I tried ...
0
votes
3answers
1k views

Internet connectivity with Domain Controller

We have a Windows 2008 R2 Domain controller and every PC on the network has the IP address of domain controller set under DNS settings. Is it normal to have the Domain controller also be the DNS ...
-3
votes
1answer
25 views

Multiple connections issue trying to connect PCs across network [closed]

Trying to connect across network to PC runnign windows vista from laptop running Win 8.1. Am getting 'Multiple connections to a server or shared resource by the same user, using more than one user ...
-1
votes
1answer
930 views

why Switch 2960 does not support “sh env temp status” ?

While i am giving command "#sh env temp status" on switch 2960,it shows Temperature Value :Not Supported Temperature Stauts :Not Supported As i am monitoring Temperature Switches.I have monitored ...
3
votes
2answers
229 views

once in a while windows / .net application ignores the tcp fin flag

i've run into a network problem which i cannot solve. on a few computers running windows 8.1 and communicating with linux http server tcp connections dangle on the windows side instead of being ...
0
votes
1answer
400 views

Can't access any shares using a UNC

I'm getting network error 0x80070002 The System cannot find the file specified when trying to open a network share on domain controller via Run \servername or IP. And the users using Folder ...
0
votes
3answers
192 views

Connect Server to multiple Networks

I have a server that I'm trying to connect to multiple network ranges (172.x.xx, 10.x.x.x). I'm not really concerned with Domain issues I just want to be able to access my storage / management network ...
0
votes
1answer
335 views

Bridging between two networks one openVPN and another on windows 2003 server on ESXi

I have two different networks in two different offices interconnected using OpenVPN. The windows 2003 server (AD) on one network can now talk to all the machines in the main network where OPENVPN ...
0
votes
3answers
11k 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
2answers
256 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 ...
1
vote
0answers
433 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
242 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 ...
0
votes
1answer
307 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
2k 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
48 views

showing local username instead of system name in remote desktop connection on server 2008 r2

I need to do a little customization in network. I have a server 2008R2, placed in another network, can have multiple sessions. Multiple users access it at the same time and resolving the actual user ...
1
vote
1answer
441 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 ...
2
votes
1answer
83 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 ...
-1
votes
1answer
56 views

To disable drive access and allow access only from remote system

I have around 5 system in my network. All are windows 7 Professional and are connect through LAN. I can access all drives from one system to another. However, i want that some particular drives of ...
1
vote
1answer
687 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 ...
0
votes
1answer
318 views

Repeated requests on our server?

I encountered something strange in the access log of our Apache server which I cannot explain. Requests for webpages that I or my colleagues do from the office's Windows network get repeated by ...
1
vote
1answer
406 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 ...
3
votes
1answer
94 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. ...
1
vote
0answers
119 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
372 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 ...
7
votes
2answers
36k 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 ...
1
vote
0answers
112 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. ...
3
votes
3answers
578 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 ...
1
vote
1answer
106 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 ...
0
votes
1answer
273 views

Ping test 8 times reply 8 times time-out

On my laption (Win 7) I'm running a VmWare Virtual machine Windows 7 with a network adapter in bridged mode because I wan't to be able to communicate between my host and my VM. The host has IP ...
1
vote
2answers
253 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 ...
2
votes
3answers
7k 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 ...
16
votes
6answers
1k 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 ...
-1
votes
1answer
723 views

how to connect 2 domain controllers on different subnets through a switch

I have 2 domain controllers (DC's) situated in adjacent buildings. These 2 DC's have the following details DC1 - Subnet : 192.168.1.X DC2 - Subnet : 192.168.0.X DC1 serves 125 clients through DHCP ...
1
vote
2answers
798 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. ...
2
votes
2answers
922 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 ...
1
vote
1answer
293 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 ...
0
votes
1answer
657 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, ...
1
vote
2answers
5k 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
3k views

Networking Problem MrxSmb event 50 “Delayed Write Failed” errors occurring all of the sudden

JUST THIS MONTH, we have started getting reports from a number of very stable clients that MrxSmb event id 50 errors keep appearing in their system event logs. Otherwise, they do not appear to have ...