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[daveh551]

I originally posted this in
microsoft.public.windowsxp.help_and_support, but someone suggested
this group might be more appropriate:

I'm not sure if this is the best group for this or not. If anyone has
any suggestions for a better one, please speak up.

I have a home network system consisting of 3 computers - A Primary
Domain Controller/File Server (PDC) running Windows 2000 Server, a
Desktop running WinXP Pro (SP3), and a Laptop also running WinXP Pro.
The PDC and the Desktop are hard-wired to the network router over a
100 MBit line; the laptop is running 801g WiFi, and has a strong
connection.

I have network shares set up on all 3 computers accessible to
Everyone. My login is in the domain administrators group.

In the last week I have had two incidents where the network shares
suddenly became unavailable to the laptop for no apparent reason, with
the message "You do not have access permission. Consult your network
administrator." (I just love that when you ARE the network
administrator!).

In the first case, I tried everything I could think of to reestablish
the connection. I deleted the affected Network Places from the laptop,
and tried to re-add them and the PDC would show up in the network
browser when I expanded the Domain node, but the PDC node itself would
not expand. When I right clicked on it and tried to open or explore,
I would get the no permissions message. At one point, I managed to
get (I don't remember how) a network login box, and when I entered my
login and password, it came back with a message to the affect that
that was the same name I was logged in under, and that name had
already been tried. I tried re-booting both the domain controller and
the laptop, to no avail. I was just about to write a post similar to
this, when suddenly, for no apparent reason, the access came back, and
node expanded in the network browser and showed me all the shares, and
I was able to establish a new Network Place.

In the second case, I was accessing some files from the desktop
through it's network share,and when I went to save them, it told me I
didn't have read access. I logged in to the desk top via Remote
Desktop, checked the permission on the share and the directory
involved (it granted full control to EveryOne). I went back to the
laptop, tried to clear the read-only bit, and it told me I didn't have
permission to do that. I then deleted the network places to try to
re-
establish them, and got the same behavior as occurred with the PDC
previously - the node showed up in the Network Browser, but wouldn't
expand to reveal it's shares, and told me I didn't have access
permission. I believe it said "Username not recognized", or something
like that.

Why do my permissions keep coming and going, and how can I get them
back?

 

[Jack \(MVP-Networking\).]

Hi
Every One, does not mean every one that logs to the computer. It means every
one that is on the list that allows to log on. I.e. it just a way saving
the need to check all the names one at the time.
Otherwise maybe this can Help.
Successful Sharing involves some general consideration in Network settings,
http://www.ezlan.net/sharing.html
As well as specific adjustment of each computer according to what it is
allowed to be shared.
Vista File and Printer Sharing-
http://technet.microsoft.com/en-us/library/bb727037.aspx
Windows XP File Sharing -
http://support.microsoft.com/default.aspx?scid=kb;en-us;304040
Printer Sharing XP -
http://www.microsoft.com/windowsxp/using/networking/expert/honeycutt_july2.mspx
Windows Native Firewall setting for Sharing XP -
http://support.microsoft.com/kb/875357
Windows XP patch for Sharing with Vista -
http://support.microsoft.com/kb/922120
Jack (MVP-Networking).

 

[daveh551]

Hi
Every One, does not mean every one that logs to the computer. It means every
one that is on the list that allows to log on. I.e. it just a way saving
the need to check all the names one at the time.
Otherwise maybe this can Help.
Successful Sharing involves some general consideration in Network settings,http://www.ezlan.net/sharing.html
As well as specific adjustment of each computer according to what it is
allowed to be shared.
Vista File and Printer Sharing-http://technet.microsoft.com/en-us/library/bb727037.aspx
Windows XP File Sharing -http://support.microsoft.com/default.aspx?scid=kb;en-us;304040
Printer Sharing XP -http://www.microsoft.com/windowsxp/using/networking/expert/honeycutt_...
Windows Native Firewall setting for Sharing XP -http://support.microsoft.com/kb/875357
Windows XP patch for Sharing with Vista -http://support.microsoft.com/kb/922120
Jack (MVP-Networking).

Jack, Thanks for your reply, and for those links.

But that still doesn't answer the question: These computers/networks
have been successfully setup and configured for sharing for weeks. How
come 1 minute I can access the shared drive, and the next I can't,
with no discernible events happening in between? And then an hour
later, I can access it again?

And if there is something I can do to fix it when it loses access,
what is it? (It often seems to "heal" itself with time, but when I
want access, I don't want to wait.)

Thanks.

 

[daveh551]

Jack, Thanks for your reply, and for those links.

But that still doesn't answer the question: These computers/networks
have been successfully setup and configured for sharing for weeks. How
come 1 minute I can access the shared drive, and the next I can't,
with no discernible events happening in between?  And then an hour
later, I can access it again?

And if there is something I can do to fix it when it loses access,
what is it?  (It often seems to "heal" itself  with time, but when I
want access, I don't want to wait.)

Thanks.

Here's another datapoint. Last night, when I was trying
unsuccessfully to access the shares on the desktop from my normal user
login (HQ\dave, which is also a member of the Domain Administrators
group), I logged out of the laptop and logged back in as HQ
\Administrator. It was able to access the desktop shares with no
problem. I then logged out of that and back in as HQ\dave, and still
could not access the desktop. So it's something about the login, not
the computer. And yet that login can access the shares on the domain
controller just fine. (At least right now).

 

[daveh551]

Here's another datapoint.  Last night, when I was trying
unsuccessfully to access the shares on the desktop from my normal user
login (HQ\dave, which is also a member of the Domain Administrators
group), I logged out of the laptop and logged back in as HQ
\Administrator.  It was able to access the desktop shares with no
problem.  I then logged out of that and back in as HQ\dave, and still
could not access the desktop.  So it's something about the login, not
the computer.  And yet that login can access the shares on the domain
controller just fine. (At least right now).

For any others having this problem, I found the answer (or maybe AN
answer - not sure if it's the answer for everytime this occurs,but it
worked this time): http://www.chicagotech.net/logonfailure.htm

Basically (quoting): Resolutions: this is cache credentials issue.
To fix this problem and cache the credentials, use net use \
\computername /user:username command.

I opened a cmd prompt, typed "net use \\HANNA-ASSOC /user:HQ\dhanna",
then went back to my Network browser, and, bingo, the machine
directory opened right up.