"Danny F" wrote:

> I have an issue that has been driving me insane. I have 4 Windows XP Pro SP3
> workstations.  All the Accounting Dept PC’s.  I also have an old Windows 2000
> SP4 Server that I want to take offline and decommission.  The problem is as
> soon as I disconnect this server or shut it down. The 4 workstations slow to
> a crawl.  Not just on the network but performance as well.  Here is the
> scenario:
> Workstation 1 connected to network and Server Old connected to network.
> Everything works great, PC’s screaming fast.
> Unplug network cable of ServerOld, workstation1 slows to a crawl.
> Open command prompt and type notepad to open notepad 60 seconds before
> notepad opens. (I use notepad as a test but all other commands take forever
> just to initiate as well including running IE or doing anything on the
> network, but apps run slow as hell to)
> Plug Serverold network cable back in. Type notepad in command prompt,
> instantly opens.
> If I unplug ServerOld network cable again, type notepad, 60 seconds before
> it opens. But if I then unplug Worksation1 network cable so it is no longer
> on network, notepad comes up instantly.
> These workstations have some connection to ServerOld that cannot be broken. 
> I run netstat –a on workstation1 and it shows a connection to Server Old :
> TCP    Workstation1:1725           192.168.1.11:netbios-ssn  ESTABLISHED
> I run TCPView and get:
> [System Process]:0    TCP    workstation1:1758    ServerOld:netbios-ssn    TIME_WAIT   
>
> ServerOld used to be have shares on it that these workstations mapped drives
> to but I deleted the drive mappings. I even disjoined the workstation1 from
> domain and it still had slow although not as slow when ServerOld was
> disconnected. Then when it was reconnected it ran fine. Rejoined it to the
> domain and same issue as before.
> Is there some hidden mapping or connection that could be causing this? What
> is the System Process 0 connection on netbios-ssn and Microsoft-ds
> connections for?
>
> Any help as I would like to take this old server offline but I can’t because
> it kills the entire accounting departments workstations.
> Thanks,
> D
>

"Anteaus" wrote:

> Try typing NET  USE at a cmd prompt to see if there are still connections to
> it. This problem usually arises because ALL driveletters are scanned every
> time Explorer opens a file-select window. Defunct ones cause a very long
> delay.
>
> "Danny F" wrote:
>
> > I have an issue that has been driving me insane. I have 4 Windows XP Pro SP3
> > workstations.  All the Accounting Dept PC’s.  I also have an old Windows 2000
> > SP4 Server that I want to take offline and decommission.  The problem is as
> > soon as I disconnect this server or shut it down. The 4 workstations slow to
> > a crawl.  Not just on the network but performance as well.  Here is the
> > scenario:
> > Workstation 1 connected to network and Server Old connected to network.
> > Everything works great, PC’s screaming fast.
> > Unplug network cable of ServerOld, workstation1 slows to a crawl.
> > Open command prompt and type notepad to open notepad 60 seconds before
> > notepad opens. (I use notepad as a test but all other commands take forever
> > just to initiate as well including running IE or doing anything on the
> > network, but apps run slow as hell to)
> > Plug Serverold network cable back in. Type notepad in command prompt,
> > instantly opens.
> > If I unplug ServerOld network cable again, type notepad, 60 seconds before
> > it opens. But if I then unplug Worksation1 network cable so it is no longer
> > on network, notepad comes up instantly.
> > These workstations have some connection to ServerOld that cannot be broken. 
> > I run netstat –a on workstation1 and it shows a connection to Server Old :
> > TCP    Workstation1:1725           192.168.1.11:netbios-ssn  ESTABLISHED
> > I run TCPView and get:
> > [System Process]:0    TCP    workstation1:1758    ServerOld:netbios-ssn    TIME_WAIT   
> >
> > ServerOld used to be have shares on it that these workstations mapped drives
> > to but I deleted the drive mappings. I even disjoined the workstation1 from
> > domain and it still had slow although not as slow when ServerOld was
> > disconnected. Then when it was reconnected it ran fine. Rejoined it to the
> > domain and same issue as before.
> > Is there some hidden mapping or connection that could be causing this? What
> > is the System Process 0 connection on netbios-ssn and Microsoft-ds
> > connections for?
> >
> > Any help as I would like to take this old server offline but I can’t because
> > it kills the entire accounting departments workstations.
> > Thanks,
> > D
> >