File Sharing Stopped Working

[Charlie]

I have two desktops sharing files. Has been working fine for 2 years.
Desktop A has XP/Pro with all updates and Desktop B has XP/Home with all
updates. When working on A trying to copy a file from B I get an error
message saying I might not have permission to use the network resource. It
also says there is not enough server storage available to process this
command.

I am not aware of any changes to the network. Can anyone provide some help
as to what is going on?

 

[Malke]

I have two desktops sharing files. Has been working fine for 2 years.
Desktop A has XP/Pro with all updates and Desktop B has XP/Home with all
updates. When working on A trying to copy a file from B I get an error
message saying I might not have permission to use the network resource. It
also says there is not enough server storage available to process this
command.

I am not aware of any changes to the network. Can anyone provide some help
as to what is going on?

From MVP Hans-Georg Michna - This error indicates that you are falling foul
of the IRPStackSize bug. The problem is on the machine you are attempting
to connect to, not the machine where you see the error message. On the
computer you are attempting to connect to, check the event viewer for an
event ID 2011.

Usual fix : You need to fix a parameter called IRPStackSize

On the computer you are attempting to connect to, Set the IRPStackSize back
to the default (15 ). Perform the following steps:

1. Start regedit.
2. Navigate to
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters.
3. Double-click IRPStackSize (or if this registry setting doesn't exist,
create it with type DWORD and ensure the case is correct).
4. Change the base to decimal, set the value to 15, and click OK.
5. Reboot the computer.

Norton AV is usual suspect for breaking it. There's a KB article about this,
too:

Antivirus Software May Cause Event ID 2011 (Q177078) -
http://support.microsoft.com/default.aspx?scid=kb;EN-US;177078

Malke

 

[Charlie]

Thanks a lot Malke for taking the time to give me a complete explanation.
This fixed my problem and everything is up and running great.