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  • Diagnosing extremely slow network operations.

    - by Chris Becke
    The network: * A windows 7 PC with 2 NICs - one connected to an old style ethernet hub - the other to the internet - with internet sharing enabled * An Apple iMac connected to the hub, successfully utilizing the ICS to access the internet. My problem: Using the Mac, copying from the internet is fast. However, if I connect to a SMB: share on the Windows 7 PC and try and copy anything a few kb the copy operation is appallingly slow with my network card using the Windows 7 control panel showing ~.1% utilization. The NICs are 100Mbs and show a 10x larger throughput (now ~1%) if I download large files over the internet using the Mac. WTF?

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  • Domain Computers Not Listed In Network

    - by Giawa
    Our network computers are all connected to a domain, and I can see them if I search the active directory (I can click 'search active directory' and then select 'computers' and then Find Now, and all of the computers will appear). However, the computers are not listed in the network browser on any of our computers (Win XP, Win7, Linux, etc) which are connected to the domain. DC is running Windows Server 2008 (Windows Server Standard) with a configured DNS and DHCP server. All of the IPs on our local network are static IPs, although I can't see how that would make a difference. I can still connect to computers on the network via \\computer_name, but I cannot browse them in 'network' or in 'my network places'. The computer browser service is not started on the DC, but I tried starting that and it had no effect. DC currently has the firewall configured as 'off' to try to debug this problem. Thanks in advance

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  • Wired and wireless conections: force Windows to connect to laptop through Ethernet?

    - by danielkza
    I have a desktop connected to the internet and to my home network through Wi-Fi, and a latptop connected to said desktop through an Ethernet cable. But Windows seems to only reach the laptop through Wi-Fi: I want to transfer files through the wired connection instead. Setting up Internet Connectin Sharing and disconnecting the laptop from Wi-Fi altogether doesn't seem like the most elegant solution to me. I also thought about going to the hosts file and setting up the IP address manually, but that would make the laptop completely unavailable if it's not wired, which happens quite often unfortunately. Is there any way for me to tell Windows to use the wired connection for a particular host if possible, and fallback to any other route it finds otherwise?

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  • Facebook doesn't work on computer, but work on mobile device, both use the same router

    - by sasa
    I have a very strange problem and I'm thinking that can be problem with dns or something similar, but not sure and don't know how to solve. My computer is connected to router and every site works fine except facebook (Chrome and Firefox). Chrome shows "Error 101 (net::ERR_CONNECTION_RESET): The connection was reset." But, on mobile device witch is connected to the same router facebook works fine (Fb application and Delphin browser). Pinging facebook works fine. Clearing cookies and cache didn't help. Also, I performed antivirus and antimalware scan and there is nothing. What can be a problem? Update: I'm also connect notebook on that wifi router, and on it works fine. nslookup facebook.com Server: UnKnown Address: 192.168.1.1 Non-authoritative answer: Name: facebook.com Addresses: 2a03:2880:2110:3f01:face:b00c:: 2a03:2880:10:1f02:face:b00c:0:25 2a03:2880:10:8f01:face:b00c:0:25 69.171.224.37 69.171.229.11 69.171.242.11 66.220.149.11 66.220.158.11

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  • 2nd/3rd version of wireless network appears

    - by neildeadman
    I replaced an old SpeedTouch ADSL router with a Netgear DG384 that I have and whilst doing so decided to change the wireless password. For this question assume my wireless network SSID is DeddersHome. On my netbook and macbook pro (running Win7) it won't connect to the Internet. When I hover over the tray icon for wireless it says "DeddersHome 2" and "DeddersHome 3" have no internet connection. What are these additional wireless networks? I can't see them in the wireless network list on any wireless device I have. Wired connections and wireless through my iPhone work fine. I saw this before with the SpeedTouch, but it just went away!! I also have one Apple AirPort Express connected to the wireless network which my Xbox is connected to (wired). This all worked before... I am going to remove AirPort to see if it is this causing the problem, but thought I'd ask the question to give it time for an answer whilst I continue to search. Cheers

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  • Is Samba Server what I'm looking for, and if so, what do I need? (currently on DD-WRT Micro)

    - by Anthony
    I am really confused as to what Samba actually does and how it works. Here's what I'm hoping it does: I set up a Samba server on my LAN, and everyone will be able to see each other's shared files and swap them. But some of the documentation makes it sound like it will just allow Mac/Linux computers to see Windows computers. Other bits of the documentation make it sound more like a local server, where a Linux machine would install Samba and they would see everyone and be visible to everyone, but that won't change if anybody else can see each other. While still other things I've read make it seem more like a file-server, where everyone sees each other but file transfers are not peer-to-peer but instead need a host disk for files to act as go between. So, assuming I'm even in the right ballpark of what Samba does in terms of my goal of total cross-visibility on the network, I am left with needing to know what I'd need to set up the server and whether it can be done and is worth it... DD-WRT's article on Samba is a bit ambiguous. One second it sounds as if I can run the server on micro as long as it's set up on a usb drive, but then it also sounds like micro can't run it at all, etc. If I can run it from a usb-connected drive, I still need to know if the files are actually stored on that drive. The dd-wrt article mentions: You can run a Samba server on your main computer and run a client on your router (thus gaining writable storage for the router) or you can use Samba to share a drive connected (typically by USB) to the router among all the computers connected to your network. That one part "to share a drive...among all the computers" makes it sound like the only benefit I get from Samba is a share drive that any OS on the network can see, but they still won't see each other. But I'm very hopeful I'm misreading this. If the computers can see each other but still need the disk, how much space is generally a good idea? I'm basing this on the idea that the drive is a temporary store point. Obviously I'd have to get a drive big enough to store everything people wanted to share if the drive is a full-on file server. If I do have this all wrong, is there any software that achieves what I have in mind? Something that connects to the main router to bridge all clients?

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  • Cannot open an external hard drive in Windows

    - by SeeBees
    In Windows 7, I was installing wubi ubuntu to an external hard drive when suddenly it disconnected from the PC. After I connected it back to PC, and double clicked the drive's icon, Windows didn't show the content of the disk but asked me whether I wanted to format it. The hard drive has only one partition. Its format is NTFS. I also connected the disk to Windows XP. It makes the Windows Explorer super slow and I cannot open the disk as well. I can open the disk on Ubuntu and Mac. Is it possible to restore the disk and make it run in Windows? Thanks

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  • LACP : Cisco ASA 5515 & Switch ProCurve 2920

    - by user979276
    I've two ASAs 5515 connected in failover Active/Stand by (on Gi0/5) My two ASAs are connected to two Switch ProCurve 2920 to have HA if something happens. So I plug something like that (don't pay attention to the arrows) : So one the ASA, I created a Port-Channel like that : interface GigabitEthernet0/0 nameif outside security-level 0 ip address 192.168.1.3 255.255.255.0 standby 192.168.1.4 ! interface GigabitEthernet0/1 speed 1000 duplex full channel-group 1 mode passive no nameif no security-level no ip address ! interface GigabitEthernet0/2 speed 1000 duplex full channel-group 1 mode passive no nameif no security-level no ip address ! interface Port-channel1.1 vlan 1 nameif inside security-level 100 ip address 192.168.8.1 255.255.255.0 standby 192.168.8.2 ! interface Port-channel1.10 vlan 10 nameif guest security-level 50 ip address 172.16.100.2 255.255.255.224 standby 172.16.100.3 ! interface Port-channel1.16 vlan 16 nameif dmz security-level 50 ip address 192.168.16.1 255.255.255.0 standby 192.168.16.2 On the switch, I created a trunk LACP capable with the port 1 and 2 on each switch, force the speed to 1000 and put the port un full duplex mode. BUT this is not working... I tried many things and I can't make it work. In this configuration, I can't ping anything between my ASA and my Switch (or any object connected). Here what I get on my ASA : Channel group 1 LACP port Admin Oper Port Port Port Flags State Priority Key Key Number State ----------------------------------------------------------------------------- Gi0/2 SP not-bndl 32768 0x1 0x1 0x3 0xc Gi0/1 FP not-bndl 32768 0x1 0x1 0x2 0x6 And on the Switchs : PORT LACP TRUNK PORT LACP LACP NUMB ENABLED GROUP STATUS PARTNER STATUS ----- ------- ----- ------ ------- ------ 1 Active trk1 Broken Yes Failure 2 Active trk1 Broken Yes Failure If I change the Cisco interface to LACP mode On, I can ping the switch from the ASA but nothing other objects conneted on the switch. If I look at the statut of LACP on the switch I see this : PORT LACP TRUNK PORT LACP LACP NUMB ENABLED GROUP STATUS PARTNER STATUS ----- ------- ----- ------ ------- ------ 1 Active trk1 Up No Success 2 Active trk1 Up No Success I don't have any clue on what's going on so If someone have any idea and help me on this, it would be great ! Feel free to ask me anything if you need any more information ! Thanks a lot !

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  • DHCP for Multiple Subnets

    - by TheD
    So this is the current setup - essentially I would like to get my DHCP server, serving DHCP requests for two seperate subnets. Netgear DG834G acting as a modem connected to a Sonicwall Pro 2040. X0 - LAN - 192.168.1.0/24 X1 - WAN - <WAN-IP> X2 - WLAN - 192.168.10.0/24 At the moment, I have a 2008R2 server with DHCP installed, with an IP address on the 192.168.1.0/24 range handling DHCP fine for this subnet. The Sonicwall is configured correctly - anything connected to the WLAN has Full Allow to anything in the LAN, and vice versa but it will not lease an IP from my Server. I've also added another IP address to the server, so the physical NIC now has two IP's: 192.168.1.2 and 192.168.10.2 with a DHCP scope configured for each. Still no luck! Any ideas? Thanks!

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  • Windows 8.1 installation: Which drive is the F drive?

    - by sammyg
    I am doing a clean install of Windows 8.1 on an old PC. It was purchased as download from Microsoft Store and written to and booted from a USB flash drive. It went through all of these steps: Copying Windows Files Getting files ready for installation Installing features Installing updates Then at "Getting finished" I am stuck at this stupid dialog box. Please unplug the following external drive and click OK to restart your computer and finish installing Windows. F: How do I tell what physical drive this is? Can I drop to command prompt during installation? And is it safe to unplug it while powered on? There is no external hard drive connected, none that I can see. There is no USB or FireWire drive connected externally. I think it sees one of the internal drives as external... in some weird way?!

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  • Remote Desktop fails after VPN connection.

    - by Samet Sorgut
    The remote computer is connected with Remote Desktop. When the remote computer is connected to VPN the Remote Destop freezes. It is not possible to connect to the remote computer again via Remote Desktop. What can be done to connect to this remote computer after it establishes a VPN connection? The only thing that comes to my mind is to install a second NIC and configure Remote Desktop to accept connection from this NIC while VPN is working from the other... What do you suggest?

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  • Wireless Network Performance Issues

    - by colithium
    My brand new Dell XPS system has been running flawlessly except its abysmal download speeds. I have tried isolating every variable I could possibly think of but I can't figure out the problem. I've talked to Dell and Belkin without making progress (thought I'd try). Here are the speeds: Note that most of the time, upload speeds are actually much faster than download speeds (around 4.0 Mb/s which is better than most other devices on the network) It's not the ISP. The slowdown happens even when transferring files inside the network. Plus every other wireless device gets approximately this: It's not the wireless router. It's a Lynksis WRT160N v1 with the latest firmware (1.02.2). Plus everything else connected to it has normal speeds. It's not the browser. Speeds are the same in IE, FF, and when transferring files with Windows between computers. It's not the wireless adapter. I've tried a Belkin N Wireless USB Adapter (which works fine on another computer) and a Dell Wireless Draft 802.11n WLAN Mini-Card. They have the same slow speeds when connected to the problem computer. It's not the adapter connection. One adapter used USB and the other is a Mini-Card. It's not antenna placement. With the same antenna position and the same device, I get different speeds when connected to the problem computer vs a good computer. Plus everything reports the connection speed as at least 11Mbps and good signal strength. I've tried disabling IPv6 since it sometimes causes weird problems. I've tried disabling Windows Firewall/anti-virus. I've ensured the computer has updated drivers for both adapters. I've ensured that Windows is up to date and so is the BIOS. For the USB adapter I ensured that that USB port functioned at normal speeds with other USB devices. What else could it possibly be? I finally received my copy of Windows 7 and will be trying that. I'd rather not install Windows 7 because of a particular program that will stop working so a solution besides that is welcome. Specs: Vista x64 Core i7 920 6GB RAM 500GB HD GTX 260

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  • Dialing into multiple PPP connections on Ubuntu

    - by sharjeel
    I have multiple 3G USB based Modems. I would like them to keep connected simultaneously, NOT necessarily aggregating their bandwidth; a separate intelligent application would manage their utilization effectively. However I am running into problem of setting up proper routes for the ppp0,ppp1 interfaces: when one of them connects, other's entries in the routing table get updated so it is no more usable. If I reconnect the second one, it would override the first one's routing entries. If I do it over and over, sometimes both of them's entries disappear while in rare cases the two work well. I have tried it both using NetworkManager as well as WVDial but issue pops up in both of these. Perhaps both of them use same PPP dialer at the backend and thats why this issue appears. What is the proper solution to make them work together? In the long run, I'd also like them to automatically dial in once USB gets connected.

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  • On VMWare Server, how can I specify which Ethernet port should be the one to be bridged?

    - by DrDavid
    My server has 4 ethernet ports; 1 uses a APIPA address to connect to a DroboElite (that's how they're designed to work), 1 is connected to the LAN, and the other two are unused currently. The issue is that VMWare Server seems to have an affinity to the port that's connected to the Drobo, which means that it can never reach the internet. If I disable the Drobo port, everything works just fine. If I enable the drobo port, nothing works (well, the drobo works, but the virtual machine doesn't ;) ) How can I tell VMWare Server to NOT use the drobo port when I'm bridging the connection?

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  • Windows Firewall failing after 9-12 hours?

    - by routeNpingme
    I have 2 VM servers in the exact same NIC configuration: Server 2003 R2, one NIC connected to private (hardware firewall) network in a 10.x private address space, and one NIC connected straight to public internet. Windows Firewall is enabled for the Public Internet NIC only. Now, what doesn't make sense - this fails generally after 9-12 hours. It's not exact, but once or twice a day, traffic will just stop on the Internet NIC. No event log entries when it happens, and restarting the Windows Firewall service as well as stopping or restarting IPSec Services (just for fun) has no effect. Once the server is rebooted, everything is fine again for another 1/2 day. Any suggestions?

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  • Is it possible to add an existing Azure VM to an Azure Virtual Network?

    - by Dan Harris
    Didn't think this was directly related to programming, so thought Superuser would be better than Stack Overflow.... Is it possible to add an existing Azure VM to an Azure Virtual Network if you didn't add it to the virtual network at the time of creation? I can't see an option to change which Virtual Network the VM is connected to. Do you just have to do it at the time you create the VM, and if you don't do it then you will need to re-create the VM and delete the existing one? Example of the scenario: No VM's or Virtual Networks exist I create a VM (VM1), there is no virtual network so it isn't added to one Later I create a Virtual Network in Azure (Network1) It is possible to create another VM (VM2) and connect it to the Virtual Network (Network1), but can I connect VM1 to Network1 or must I delete VM1 and re-create it to get it connected to Network1?

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  • Laptop touchpad works incorrect when on power supply

    - by Ikke
    My original laptop adapter broke down, so I've baught a new one. It's a no-brand adapter from a dutch internet shop. The power of the new adapter is slightly more than the old adapter, but in my opinion that shouldn't be a problem. The laptop is a Toshiba Sattelite L40-15B. When the old adapter broke down due to short circuit, this laptop was connected. When the adapter is unplugged, the touchpad works correctly and smoothly. But as soon as it is connected, the cursor moves jumpy, and response badly. Does anyone know where this problem comes from, and if there's a solution?

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  • Second display freaks out when waking from sleep

    - by inkedmn
    I have two laptops, an older white MacBook and a brand new Macbook Pro. When either computer is on my desk, I connect it to a second, widescreen display (Acer, a couple years old, uses DVI). The Macbook connects via mini DVI and the MBP connects via mini displayport. When the Macbook is connected and everything goes to sleep, I'm able to wake the machine and both displays in the normal way and everything is fine. Sometimes, when waking the MBP, the laptop and primary display are fine, but the second display shows a bunch of static. If I restart the display, everything's fine. This probably happens 70% of the time when the MBP goes to sleep while connected to this display. Any idea what could be causing this?

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  • How do you make the computer locked when the monitor is turned off but power not off in Windows Vista?

    - by Anon
    I have a power management setting (set up through the Control Panel) that turns the monitor off after 5 minutes of idling but keeps the power on all time, if the laptop is connected to power. Under this setting, however, the computer doesn't lock itself and becomes vulnerable to any passerby's attempt to log in if I'm not around. Is there any way to force lock in this situation? (I can force lock if I have the laptop go sleep, but for immediate access I'd like to keep the power on when the laptop is connected to power.)

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  • RJ45 female to male fault

    - by GeoPhoenix
    i have the following - common - problem, on one end of the cable, there are RJ45 males T586 A which are connected to a 8-port switcher, on the other end, there supposed to be RJ45 females _T586 A which in turn will allow another RJ45 male to be connected. the commonly used color scheme was followed on males (having the head down) blue white blue orange white green green white orange brown white brown the problem i believe is located on female end of cable, which i try multiple time to follow the numbers designated by the module, which is the list above in reverse, and as listed resulting in no signal transmission. tried the T586B (both ends) for device to device once, but no results. Which is the proper way of handling this wiring? There were also additional RJ45 females with the numbers 6-5-4-3, but 1 to 8 isn't supposed to be used for this?

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  • Group policy to disable notifications of particular errors?

    - by resolver101
    How do i disable the notifications of particular errors? A little background to my issue. During the installation of the Kaspersky, it disables all the windows firewall for all except the domain. I have remedied this by creating an offline policy in Kaspersky which enables the Kaspersky firewall when out of the office (ie not connected to the office network). The problem now is that users in the office now see a notification showing that the firewall is disabled even though it’s enabled in all scenarios. It’s just that work and home show as disabled when the clients are connected to the office LAN. I’ve looked into the notifications and you can disable the notification (not recommended) but I don’t want to do this incase other relevant messages are stopped from being displayed. http://blogs.technet.com/b/networking/archive/2010/12/16/disabling-firewall-alerts-in-the-action-center.aspx

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  • IIS not listening over external network, all other traffic working

    - by Beuy
    Hello there, I have a very odd situation, I have a server (let's call it X) running 2008 R2 with two NIC's in it, one is connected to the work domain and has a subnet of 192.168.10.0/24 the other is connected to a ADSL connection and has a subnet of 192.168.1.0/24. The server has IIS installed. On the ADSL connection I have setup a dynamic dns and port forwarding to allow external HTTP, HTTPS, FTP and RDP connections. FTP and RDP are working fine however neither HTTP or HTTPS are working at all. I can browse the websites by going to localhost on the machine, the HTTP and HTTPS ports appear as "Filtered" when I try to scan them using PortQueryUI and browsers respond with a "Server took too long to load or was not responding" error. This was working fine just a few days ago, Windows firewall is disabled I don't have any software firewall on it. And I'm really lost. Any help would be great.

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  • Output to TV only works if monitor is plugged in

    - by Greg Sansom
    I am trying to use my TV as the sole output for a computer. The computer has a graphics card with 2 outputs - one RGB and one DVI. I have the RGB output going to the TV, and when the DVI output is connected to a monitor, display works fine on both the monitor and the TV. If I turn off the monitor, or even turn off power to the monitor, the TV continues to display the desktop. If I unplug the DVI cable from the monitor (remember that the monitor doesn't have any power at this point), the TV stops presenting the desktop and displays a "Not Accepted" message. When starting up the computer, the TV displays fine, but stops working at the "press ctrl-alt-delete" screen unless the monitor is connected. How can I make the TV show the display without the monitor? The TV is an LG RT-42PZ45V. The graphics card is an ATI Radeon series HD4350 512MB GDDR2. The computer is running Windows Server 2008 r2.

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  • IRC "proxy" for persistent connection between several computers

    - by Zeta Two
    I'm looking for a program that enables me to stay connected to one or more IRC networks and be able to view the log even though I connect from several different computers. I'm thinking about something like a proxy running on a server who always is connected to the servers/channels I want and to which I connect from whichever client I want to use. Does anyone know of a program like this? Edit: Apparently I could be running a IRC session in a shell on a server and connect to this but I would like something more GUI:ish.

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  • Basic networking: Centos Server Router + Ubuntu Client setup.. unable to access outside world from client

    - by ale
    I am trying to set up my Centos Server with two NICs as a router. eth0 is connected to the outside world and eth1 is connected to an Ubuntu client. Here's eth0 on the server: DEVICE=eth0 BOOTPROTO=dhcp ONBOOT=yes TYPE=Ethernet eth1 on the server: DEVICE=eth1 BOOTPROTO=static IPADDR=192.168.0.10 # a free address on my network ONBOOT=yes TYPE=Ethernet My server has IPv4 packet forwarding turned on and my iptables only contains: # iptables --table nat --append POSTROUTING --out-interface eth0 -j MASQUERADE # iptables --append FORWARD --in-interface eth1 -j ACCEPT My Ubuntu client has this in its /etc/network/interfaces auto lo iface lo inet loopback iface eth0 inet dhcp gateway 192.168.0.10 but I can't get an Internet connection from the server for my client. I can't even ping my server from the client: $ ping 192.168.0.10 Destination Host Unreachable

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