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From: Uwe on 30 Apr 2008 23:36
Hi,

I used a mapping of the lpt2: port from a workgroup member computer with XP
Home to a share of a domain member computer with XP Professional for a long
time and it worked without problems. Now I had to replace this XP
Professional computer by a Vista Professional computer. I used the same net
use command and, as long as I don't restart the XP Home computer, the mapping
works and I can print. This shows that there is no general problem with the
Vista computer. The problem comes when I restart the XP Home computer. After
restart a net use command on the XP Home computer shows me the mapped port,
but with a "not available" in front of the line. Note that the "not
available" is translated by me from the german version (the string there is
exactly "Nicht verfgb") and may not match the string of the english version
exactly.

In order to narrow the problem I mapped a drive share on the Vista computer
with net use * \\VistaComputer\share /savecred /persistent:yes on the XP Home
computer and a second drive share on a NT computer with the same command.
Note that I have to include credentials because the XP Home computer is not a
member of the domain of the other two computers (XP Home computers cannot
become domain members). Both shares are available after the net use command
finished. After a restart net use shows me both shares but again with "Nicht
verfgb" ("not available").

Although the first impression was that the Vista computer may be a problem
the second test shows that something must have changed on the XP Home
computer at the same time as I replaced the old XP Professional computer by
the Vista Professional computer. It seems that the XP Home computer cannot
either store the credentials or login to the domain during startup anymore.
It would help me if somebody can explain where a persistent connection is
stored in XP Home and how I can log the connection attempt.

Now I made a recovery so that I have a really clean XP Home system now.
Device manager is OK, no warnings or errors, system event log is OK, no
warnings or errors, sfc /scannow completes without prompts for the setup CD.
But a logged startup shows not loaded drivers. For that problem I opened a
second thread, it is perhaps related to this problem
(http://www.microsoft.com/communities/newsgroups/en-us/default.aspx?&lang=en&cr=US&guid=&sloc=en-us&dg=microsoft.public.windowsxp.configuration_manage&p=1&tid=86e02800-46eb-408c-bc02-efc1720a47ba&mid=86e02800-46eb-408c-bc02-efc1720a47ba). Help is very welcome.
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