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ispalten
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Event error ID:4321

I've got a 'simple' setup, 2 machines on a workgroup called 'HOME', one XP Pro SP3, the other Vista Home Prem. 64 bit SP2.

Everything appears to work fine, files can be executed and transferred between system. However, EVERY ten minutes when the XP machine is on, the error is posted. It doesn't seem to both the Vista computer though, but it is a fast one, Intel I7 920 cpu with 8GB's of RAM. Network connection speed is N wireless to the XP system and Gigabit wired to Vista system via a LinkSysWRT350N router.

The error is :

----------------------------
Log Name: System
Source: netbt
Date: 10/5/2009 12:54:21 PM
Event ID: 4321
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: Irv-XPS435
Description:
The name "LARAINE-HP :0" could not be registered on the interface with IP address 192.168.1.100. The computer with the IP address 192.168.1.101 did not allow the name to be claimed by this computer.
----------------------------

I ran NBTSTAT on the Vista system and got this :

-------------------------------
K:\Inet DL>nbtstat -c

Local Area Connection:
Node IpAddress: [192.168.1.100] Scope Id: []

NetBIOS Remote Cache Name Table

Name Type Host Address Life [sec]
------------------------------------------------------------
IRV-XPS435 <20> UNIQUE 192.168.1.100 350
LARAINE-HP <20> UNIQUE 192.168.1.101 437

K:\Inet DL>nbtstat -n

Local Area Connection:
Node IpAddress: [192.168.1.100] Scope Id: []

NetBIOS Local Name Table

Name Type Status
---------------------------------------------
IRV-XPS435 <00> UNIQUE Registered
HOME <00> GROUP Registered
IRV-XPS435 <20> UNIQUE Registered
HOME <1E> GROUP Registered
HOME <1D> UNIQUE Registered
..__MSBROWSE__.<01> GROUP Registered

K:\Inet DL>nbtstat -a irv-xps435

Local Area Connection:
Node IpAddress: [192.168.1.100] Scope Id: []

NetBIOS Remote Machine Name Table

Name Type Status
---------------------------------------------
IRV-XPS435 <00> UNIQUE Registered
HOME <00> GROUP Registered
IRV-XPS435 <20> UNIQUE Registered
HOME <1E> GROUP Registered
HOME <1D> UNIQUE Registered
..__MSBROWSE__.<01> GROUP Registered

MAC Address = 00-23-AE-E6-CD-D2


K:\Inet DL>nbtstat -a laraine-hp

Local Area Connection:
Node IpAddress: [192.168.1.100] Scope Id: []

NetBIOS Remote Machine Name Table

Name Type Status
---------------------------------------------
LARAINE-HP <00> UNIQUE Registered
HOME <00> GROUP Registered
LARAINE-HP <20> UNIQUE Registered
HOME <1E> GROUP Registered

MAC Address = 00-1A-70-A4-EF-41
------------------------------

All seems OK?

The XP system (Laraine-hp) is running Norton's ISS 2009 and the Vista system (Irv-XPS435) is running McAfee's Total Protection which has Ver 10 of the firewall in it.

I've checked all PORTS and settings on both systems.

I've reviewed ALL the logs on McAfee and Norton. None show any 'blockage'.

I'm asking here for suggestions. The 'normal' cause of that error is a duplicated computername, but I can't find any?

I also found web search results indicating that people got this error with Zone Alarm! Exiting ZA cleared the problem, but I've done this with McAfee and the problem continues.

Anyone else look in the Event Viewer under System and see this error and are running Vista?

Stumped...

Irv S.
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