Network card disconnects randomly

hi,

we have winodows 2012 essentials server @ 1 of our customers sites randomly disconnecting network around 20 minutes , starting work again.

the errors event viewer are:

log name:      system
source:        netlogon
date:          13/01/2016 11:50:10
event id:      5782
task category: none
level:         warning
keywords:      classic
user:          n/a
computer:      server01.domain.local
description:
dynamic registration or deregistration of 1 or more dns records failed following error:
no dns servers configured local system.
event xml:
<event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <system>
    <provider name="netlogon" />
    <eventid qualifiers="0">5782</eventid>
    <level>3</level>
    <task>0</task>
    <keywords>0x80000000000000</keywords>
    <timecreated systemtime="2016-01-13t11:50:10.000000000z" />
    <eventrecordid>107585</eventrecordid>
    <channel>system</channel>
    <computer>server01.domain.local</computer>
    <security />
  </system>
  <eventdata>
    <data>%%9852</data>
    <binary>7c260000</binary>
  </eventdata>
</event>

log name:      system
source:        b57nd60a
date:          13/01/2016 11:50:10
event id:      4
task category: none
level:         warning
keywords:      classic
user:          n/a
computer:      server01.domain.local
description:
broadcom netxtreme gigabit ethernet: network link down.  check make sure network cable connected.
event xml:
<event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <system>
    <provider name="b57nd60a" />
    <eventid qualifiers="32773">4</eventid>
    <level>3</level>
    <task>0</task>
    <keywords>0x80000000000000</keywords>
    <timecreated systemtime="2016-01-13t11:50:10.626716300z" />
    <eventrecordid>107586</eventrecordid>
    <channel>system</channel>
    <computer>server01.domain.local</computer>
    <security />
  </system>
  <eventdata>
    <data>\device\ndmp5</data>
    <data>broadcom netxtreme gigabit ethernet</data>
    <binary>00000000020030000000000004000580000000000000000000000000000000000000000000000000</binary>
  </eventdata>
</event>

the server dell poweredge t110 ii, date windows update , nic drivers date well.

it server on network.

please can help?

thanks,

alamb200

broadcom netxtreme gigabit ethernet: network link down.  check make sure network cable connected.

this doesn't windows issue. i'd check cabling, switch, etc. may need in touch dell if think hardware has issues.

 

 

 

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regards, dave patrick ....
microsoft certified professional
microsoft mvp [windows]

disclaimer: posting provided "as is" no warranties or guarantees , , confers no rights.

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