Thanks Aryeh, your expert reply is appreciated as always. In this case, I've switched the router to a "static DHCP" assignment at one location and haven't yet had a problem at the other. The latter's router is a 2Wire modem/router provided by the ISP and I haven't found a setting for static DHCP yet. Also there are fewer devices competing for IP addresses at the latter.
I read the Windows 7 blog post you provided and it sounds like 7's default setting is supposed to fix the problem in most cases. If this starts happening again I'll dig into it further. -- Andrew mailto:[email protected] Sunday, June 6, 2010, 5:44:51 AM, you wrote: > Hello, > I have seen this happen before with Windows 7 but not seen a specific > cause or resolution. Microsoft has an article about a similar problem > with Windows Vista in their Knowledgebase about problems with the DHCP > BROADCAST bit with an accompanying FixIt. While I would not run that, > you might want to look at the accompanying discussion of registry > http://support.microsoft.com/kb/928233 and trying them under Windows 7 > (after backing up the original key, of course) to see if they make any > difference. > Additional discussion can be found in this blog entry on Microsoft's > web site: > http://blogs.technet.com/b/teamdhcp/archive/2009/02/12/dhcp-broadcast-flag-handling-in-windows-7.aspx > Regards, > Aryeh Goretsky > At 11:25 AM 5/30/2010, you wrote: >>Message: 3 >>Date: Sat, 29 May 2010 16:23:05 -0400 >>From: Andrew Webber <[email protected]> >>Subject: [Thinkpad] X300: multiple IP addresses >>To: ThinkPad List <[email protected]> >>Message-ID: <[email protected]> >>Content-Type: text/plain; charset=iso-8859-15 >> >>This morning when I got up, there was a message about IP address >>conflict. I clicked okay and everything was fine. This has happened >>before but I'm not sure what to make of it. >> >>DHCP addresses are assigned in range 192.168.1.100-192.168.1.149, and >>we have a printer with a static IP at 192.168.1.50 >> >>My router reports the X300 at .100, the T41p at .101, an ATA (VoIP) at >>.102, and the X300 at .103 again (same MAC address). There should also >>be a TiVo wireless adapter in there, not sure why it isn't. >> >>I know that yesterday the ATA was at .103 as I was logging in to >>configure it. Don't know what the X300 and T41p were at yesterday. >> >>Is there anything in the X300 or T41p that might be causing this? Or >>is it more likely the router (Linksys WRT55AG)? At first I wondered if >>the Access Connections error was leaving the X300 disconnected, and >>for some reason trying to get a new number ta 9:22:39 (I didn't click >>away the error until about noon). But the 9:22:39 error (re: 101) >>refers to the X300's MAC address (9D) and the 9:22:43 error (re: .100) >>refers to a conflict with the T41p's MAC address (2B). >> >>Do these errors mean the X300 tried to get .101 but was refused, then >>was told .100 was a conflict with the T41p (though the X300 has .100 >>now)? The router still shows the X300 having both .100 and .103 though >>ipconfig shows the X300 having .103. >> >>Thanks! >>=aw >> >> >>Here's the sequence of today's Errors from the Event Viewer: >> >>3:14am Error: >>Activation context generation failed for "C:\Program >>Files\Lenovo\Access Connections\AcCryptHlpr.dll".Error in manifest or >>policy file "C:\Program Files\Lenovo\Access >>Connections\AcCryptHlpr.dll" on line 0. Invalid Xml syntax. >> >>9:22:39am Error: >>The IP address lease 192.168.1.101 for the Network Card with network >>address 0x??????????9D has been denied by the DHCP server 0.0.0.0 (The >>DHCP Server sent a DHCPNACK message). >> >>9:22:43am Error: >>The system detected an address conflict for IP address 192.168.1.100 >>with the system having network hardware address ??-??-??-??-??-2B. >>Network operations on this system may be disrupted as a result. >> >>9:22:43am Error: >>An error has occurred in initializing the adapter 12. Error Code is >>0x1004 >> >>9:22:43am Warning: >>Your computer has detected that the IP address 0.0.0.0 for the Network >>Card with network address 0x??????????9D is already in use on the >>network. Your computer will automatically attempt to obtain a >>different address. >> >>[bunch of warnings about DNS servers not responding] >> >> >> >>-- >> Andrew mailto:[email protected] > _______________________________________________ > Thinkpad mailing list > [email protected] > http://stderr.org/cgi-bin/mailman/listinfo/thinkpad _______________________________________________ Thinkpad mailing list [email protected] http://stderr.org/cgi-bin/mailman/listinfo/thinkpad
