Maybe the other Hobbes only gets turned on 1% of the time? Or maybe it is the name of someone's laptop who only arrives on the network occasionally?
On 8 March 2011 14:50, <[email protected]> wrote: > > This is correct. > > We checked LMHOSTS as well as HOSTS. No other machines called "HOBBES". > (If so, why would "HOBBES" resolve correctly 99%+ of the time?) > > > > > *James Rankin <[email protected]>* > > 03/08/2011 08:28 AM > Please respond to > "NT System Admin Issues" <[email protected]> > > To > "NT System Admin Issues" <[email protected]> > Press this button if the "To" is a fax number. Enter in the fax number > like 123-456-7890. > cc > Subject > Re: Workstation DNS cache weirdness > > > > > Just to be sure, no other machine on the network called HOBBES either? No > entry in an lmhosts file, rather than a hosts? (although if there was, I > wouldn't expect ipconfig /flushdns to fix it) > > On 8 March 2011 14:25, <*[email protected]*<[email protected]>> > wrote: > > 1. No WINS in our network > > 2. The actual server (NetBIOS) name is "NOTES", but it has an alias > "lotucism" name of "HOBBES". Queries, at least most of the time, for HOBBES > resolve to the static IP for NOTES. (Unless, of coarse, the query is done > from a machine with a screwy DNS cache). > > 3. Although it is radom in its appearances, we do have one station which > seems to be affected more frequently than most. (Yes, it has hit me a few > times, too.) Things finally hit the fan THU, when 5-6 folks had it happen. > > Thanks! > -- > RMc > > > > *"John Aldrich" > <**[email protected]*<[email protected]> > *>* > > 03/08/2011 08:19 AM > > > Please respond to > "NT System Admin Issues" > <*[email protected]*<[email protected]> > > > > To > "NT System Admin Issues" > <*[email protected]*<[email protected]> > > > Press this button if the "To" is a fax number. Enter in the fax number > like 123-456-7890. > cc > Subject > RE: Workstation DNS cache weirdness > > > > > > > Any anti-malware software running with active-protection enabled? Do *all* > your XP Pro SP3 workstations do it, or just some? Is it always the same > ones > or is it random? Just grasping at straws here.... does your DNS server have > an entry in it for the Lotus Notes server? I'm guessing it does, but again, > grasping at straws trying to help. :-) > > > > From: *[email protected]* <[email protected]> [mailto:* > [email protected]* <[email protected]>] > Sent: Tuesday, March 08, 2011 9:10 AM > To: NT System Admin Issues > Subject: Workstation DNS cache weirdness > > > Greetings! > > This is a situation which pops up on occasion. Workstations affected are > all Windows XP Pro SP3. > > We are a Lotus Notes shop (7.5). It is the Lotus application that > "detects" > the error, but the cause seems to be something in the workstation's network > setup. > > A user will be logged in, have their Notes app up and running, and will > have > been reading messages throughout the day. Then, when they attempt to open > a > message, they get this pop-up message: > > The remote server is not a known TCP/IP host. > > (Well, it was a couple of minutes ago...) > > We've had this happen periodically over the past several months. Once in a > while (like last Thursday), it may hit several workstations on a given day. > > > The Domino server has a static IP address. (FWIW, it is on a server > running > Windows 2003 "Standard", SP2.) > > Last week, somebody tried pinging the Domino server from an affected WS. > It > was pinging an address in our DHCP realm rather than the actual (static) > address of the Domino server. (A search of the network DNS tables and DHCP > leases show no such address for the Domino server; all entries for the > Domino server are the correct static address.) The workstations have no > entries in their local HOSTS file. > > The command "ipconfig /flushdns" tends to resolve the situation. > However... > > > What would cause the local DNS cache to go screwy this way, mid-session? > > Thanks! > -- > Richard D. McClary > Systems Administrator, Information Technology Group > ASPCA® > 1717 S. Philo Rd, Ste 36 > Urbana, IL 61802 > * > **[email protected]* <[email protected]> > > P: 217-337-9761 > C: 217-417-1182 > F: 217-337-9761 * > **www.aspca.org* <http://www.aspca.org/> > > The information contained in this e-mail, and any attachments hereto, is > from The American Society for the Prevention of Cruelty to Animals® > (ASPCA®) > and is intended only for use by the addressee(s) named herein and may > contain legally privileged and/or confidential information. 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