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Windows 7 Loses Network Connection Intermittently


Is there a simple NAT firewall as part of the DSL connection? or is it that it's just losing mapped drives? Since updating the NIC drivers earlier, only a couple people have had trouble...hmm... 0 Serrano OP OceanV May 9, 2012 at 2:47 UTC I believe this is isolated We'd love to hear about it! More about the author

Move large copiers and other electronic devices from the server as they may cause electrical interference or problems on network lines causing interruptions from the workstations or server. Maybe your DHCP leases are too long as well. 1 Serrano OP MKWJ May 16, 2013 at 6:18 UTC Are you imaging the PCs? I thought it was a Windows update as well a while back after a system restore fixed the problem on one of the machines, so I disabled automatic updates for these If there are potential network issues, you might check cabling as well as and suspect network cards on either the server or workstations.

Windows 7 Loses Network Connection Intermittently

If that table gets hosed up, from a screwed up workstation or some other problem, then packets will not flow. Oops, something's wrong below. lanman 0 13 Feb 2002 12:56 PM In reply to lanman: IamcurrentlyusingthreenewRealtekcardswithnoproblems.Thanksguys Sophos Footer T&Cs Help Cookie Info Contact Support © 1997 - 2017 Sophos Ltd. Good luck! 1 Sonora OP Don9609 May 9, 2012 at 10:32 UTC Medigo, I was in a simliar situation and had looked at a number of different things

  1. Contact your storage vendor for instructions on this procedure.
  2. P.S.
  3. If you guys have more specific suggestions, feel free to share!  Thanks either way! 0 Datil OP Helpful Post afeitguy May 8, 2012 at 11:47 UTC DHCP problems
  4. I've posted an image of the network map at http://www.geekcavecreations.com/images/network_map.gif to illustrate how the LAN is arranged.The local network has 2 computers that connect to the internet through the DSL router,
  5. All computers on the network need to be able to access this box.The dispatch client has to access the dispatch server, but can't have internet access.
  6. Any suggestions as to where I should go from here?  I'm pretty much out of ideas on what to do in order to either keep this from happening at all or
  7. Nor did changing to another plug port on the back of the switch."Does it work to simply click on 'repair' or do you need to actually enable and disable the nic
  8. Also, some network cards have a power management setting that allows the computer to turn off the card to save power.

Thursday, August 18, 2011 10:19 PM Reply | Quote 0 Sign in to vote Thanks Mr. Cancel ollion 0 29 Jan 2002 1:17 PM lanman,spoofingprotection.Makesurethatyoudonothaveanetworkloop-twointerfacesconnectedtothesamehub/switch.regardsollion cbarone 0 29 Jan 2002 8:09 PM In reply to ollion: Iamhavingthesametroublemyself.Ihavea5-porthubandadslmodem.TheASLboxhas2-Niccardsbothconnectedtothehubaswellastheother2workstationsusingASL.Soletmegetthisstraight,dontput2niccardsfromthesamecomputerintoahub.ShouldIputoneoftheNicsattac[email protected]dca.net tank 0 29 Jan 2002 9:01 PM In reply This may fix the problem. Server 2012 Keeps Dropping Network Connection External factors such as line interference with copiers or other devices in the office or near the office.

If RF is the problem, here are some tipshttp://www.sandman.com/rfbull.html 0Votes Share Flag Collapse - LAN Connection Loss by Chris Cook · 9 years ago In reply to Intermittent loss of conn Is there a simple NAT firewall as part of the DSL connection?"The WAN passes through the DSL router's internal firewall, with NAT disabled, and only port forwarding to the external web While those wall-wart power supplies tend to isolate the device fairly well, they tend to fail in unpredictable ways. Microsoft Student Partner 2010 / 2011 Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified

Same as Alex described. 0 Serrano OP ErikFest May 17, 2013 at 1:12 UTC Is it possible that the server is simply overloaded at times? Windows 7 Loses Mapped Network Drives I'll check on the cached credentials, but I'm not entirely sure that would be causing it.  Upon restart, the GPO's can't be processed at all because of the computer not being All rights reserved. Operating system issues on the server, workstations or both.

Computer Loses Connection To Server

In rare cases a corrupted ESC database could cause the connection failure message but this would occur only when someone accessed the same exact area of the program each time and Bad NIC cards on the server can cause periodic disconnects. Windows 7 Loses Network Connection Intermittently I had similar issue when connecting from home to my VPN at work. Reconnect To Domain Controller Without Rebooting Pedro_01 0 4 Feb 2002 10:40 AM In reply to lanman: Hilanman...pleaseread"docs.astaro.org/asl-hardware.txt"beforeusingSMC;-)Ciao,Pedro lanman 0 5 Feb 2002 8:45 PM In reply to Pedro_01: Thanks,I'mgladIgotdelayed.IwillgetanIntelcard.

Besides, I'm in the code for this app every day, and would notice something along those lines almost immediately. http://midsolutions.org/windows-7/lan-connection-not-working-windows-7.html Thursday, August 18, 2011 3:32 PM Reply | Quote Answers 0 Sign in to vote Hello, For DCs, please: make sure that each DC / DNS server points to its private So you could try to look at the power management properties from the network adapter.   0 Jalapeno OP Medigo May 8, 2012 at 10:04 UTC Well, I Oops, something's wrong below. Don-t-rejoin-to-fix-the-trust-relationship-between-this-workstation-and-the-primary-domain-failed

Re: Windows 2012 R2 Losing network connection random vNEX Dec 18, 2014 2:12 AM (in response to Gjalt_Kootstra) Hi,there are some known issues with Broadcom BCM5719 and BCM5720 NICs caused by They lose access to their mapped drives to the server but not to the (LAN) network. And I'll try to see if the D-link switch has a reset feature, but I don't think it does.I've got a friend who has an old laptop, so I'll give WireShark http://midsolutions.org/windows-7/windows-7-loses-internet-connection.html Bad NIC cards on the server can cause periodic disconnects.

Unless you take into account that I'm 12.5% more bald than before. What Happens If Dhcp Server Is Down Email Password Log In Forgot your password? Join Now Hey all, I have a pretty small setup I'm working with here...the relevant parts are 2 domain controllers and about 33 workstations.  The DCs run Windows Server 2003 R2 and

As outlined previously, disabling and enabling the NIC on the offending machine will restore connectivity for a while.

This filter has not been certified by Microsoft and may cause system instability.here is what ive done that so far is stable for meremoved any E1000 or vmxnet3 adaptersadded only a Permalink to: Read our blog Watch KBTV Follow us Request New Content 1 2 3 4 5 29 Ratings Actions Bookmark Document Print Document Subscribe to Document KB: Updated: Categories: Still, I don't think that the radio is the source of the difficulties (as noted above). 0Votes Share Flag Collapse - Phew... Lost Trust Relationship With Domain You could also try this KB: http://support.microsoft.com/kb/297684/eng/   0 Jalapeno OP Medigo May 9, 2012 at 1:44 UTC Exactly my thoughts, hutchingsp...hard to pinpoint where the issue originates,

View this "Best Answer" in the replies below » prev 1 2 next 36 Replies Serrano OP OceanV May 7, 2012 at 7:31 UTC sounds almost like you're edit: did a google search. Hope they will help. navigate to this website Join the community Back I agree Test your smarts. 88% of IT pros got this right.

Share Flag This conversation is currently closed to new comments. 8 total posts (Page 1 of 1)   + Follow this Discussion · | Thread display: Collapse - | Expand + It looks like the user on Friday had an unrelated network issue, as it solved itself by the time he got back to his workstation.  Now I'll have to play the Also, make sure that needed ports for authentication are opened:http://msmvps.com/blogs/rexiology/archive/2006/04/05/89389.aspx This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. I'm impressed by the scope part.

Best regards Meinolf Weber Disclaimer: This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Back I agree Home Domain Computers Losing Connection to Domain Controller by Billy2647 on May 16, 2013 at 5:12 UTC Active Directory & GPO 8 Next: AD Copy files to System32