Windows 7 DHCP client error message 121, laptop not obtaining an IP address?

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has seen before computer connected network, sends out dhcp discover message , in return gets error 121? 

a trace dump created "netsh dhcpclient trace enable" , "trace dump" reads:

7- 3-2010 22:59: 6:186  id:5306  desc: media connected , luid 1688849977704448.
 7- 3-2010 22:59: 6:202  id:5306  desc: media connect: {aadfbe17-6197-466c-950f-c6c2771732cb}  creating new context
 7- 3-2010 22:59: 6:202  id:5321  desc: unplumbing stack adapter: {aadfbe17-6197-466c-950f-c6c2771732cb}
 7- 3-2010 22:59: 6:218  id:5323  desc: obtain lease: [{aadfbe17-6197-466c-950f-c6c2771732cb}] [!luid!] ==>
 7- 3-2010 22:59: 6:218  id:5201  desc: sending discover on {aadfbe17-6197-466c-950f-c6c2771732cb}. error code 0
 7- 3-2010 22:59: 6:218  id:5202  desc: waiting offer on {aadfbe17-6197-466c-950f-c6c2771732cb}. wait time 3
 7- 3-2010 22:59: 9:228  id:5203  desc: recieving dhcp message on {aadfbe17-6197-466c-950f-c6c2771732cb}. error code 121
 7- 3-2010 22:59: 9:228  id:5201  desc: sending discover on {aadfbe17-6197-466c-950f-c6c2771732cb}. error code 0
 7- 3-2010 22:59: 9:228  id:5202  desc: waiting offer on {aadfbe17-6197-466c-950f-c6c2771732cb}. wait time 9
 7- 3-2010 22:59:18:230  id:5203  desc: recieving dhcp message on {aadfbe17-6197-466c-950f-c6c2771732cb}. error code 121

etc.

i can't seem find error message via google anywhere, maybe can enlighten me on means?

 

 

hello,

 

thank post here.

 

from dhcp trace, seems dhcp client fails contact dhcp server after sends out discover.

 

1. acts dhcp server in network? windows server or router/firewall?

2. how other clients in same network work?  if other clients in network fail too, please make sure dhcp server online , reachable.

3. verify dhcp request process, please capture dhcp network trace in network monitor?

 

 



Windows Server  >  Network Access Protection



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