The installation source for this product is not available

Servers: Win2003 R2
Clients: WinXP SP2

Some of my clients are not able to install software using GPOs anymore.  The error that occurs is:

"The installation source for this product is not available.  Verify that the source exists and that you can access it."

When logged on to the client as an administrator user, I can successfully install the MSI package from the same source as used in the GPO, so I'm wondering if the machine account is corrupt - plausible?

If so, and I used "Reset Account" from AD Users & Computers, should that solve the problem or will it just create problems on the client?

If I'm not on the right track to solving the problem, please feel free to make other suggestions.

Many thanks,
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kodiakbearConnect With a Mentor Commented:
Closed, 500 points refunded.
Experts Exchange Moderator
I would check share rigths
and also the resultant NTFS rigths

If your machine account is corrupt, and you reset the account, you will also have to move machine to workgroup and re-add to domain afterw.
sda100Author Commented:
Thanks jburgaard,

I have checked the "Effective Permissions" for the machine account, on the software installation files, and they all have read/execute permissions.  I've checked this on both DFS targets, and the dfs tree itself - all ok.

I reset the machine account (on this one particular client), then removed/re-added the machine to the domain and the errors still occur.

sda100Author Commented:
I found the problem (and solution).  The network settings were such that although the machine was able to receive GPOs, it wasn't able to access the installation point for the software.  Once I'd configured a WINS server and set the clients to use this, it was ok.
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