Clients periodically lose connection to file server

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hello.
have interesting issue have not been able pin down.

periodically , randomly systems lose connection file server, means lose connection profile services.

i have windows server 2008 r2 windows 7 clients connected them.
alpha04 file server
alpha01 dns dhcp domain controller

when clients unable reach alpha04 have pinged clients , receive reply. can ping alpha01

when log on alpha04 , check, there no errors in nic, still receiving few bytes, , can ping clients.

there nothing in event log.

there nothing blocking systems or server in our firewall nor there events indicate that.

the way temporarily solve issue disable nic, re-enable, , works fine anywhere hour day , cuts out again.

any ideas of further troubleshooting?

hi,

according description, understanding clients periodically lose connection file server.

want confirm if nci re-enable solution operated on file server or client devices?

if re-enable nic works, may try use commend line ”netsh int ip reset”. commend has same effect removing , reinstalling tcp/ip. and, overwrite following registry keys:
system\currentcontrolset\services\tcpip\parameters 
system\currentcontrolset\services\dhcp\parameters

besides, may temporarily disable 3rd party software , confirm result. 

best regards,
eve wang

please remember mark replies answers if , unmark them if provide no help. if have feedback technet support, contact tnmff@microsoft.com.



Windows Server  >  Windows Server General Forum



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