Network File Access
From: Tony Amos (TonyAmos_at_discussions.microsoft.com)
Date: 06/27/05
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Date: Mon, 27 Jun 2005 08:36:03 -0700
I have a web service that uses a .Net FTP client to send files to vendors
behind the scenes after it finishes processing a transaction. My problem is
that the web service catches a file access exception to the file on the local
network. Here are the facts:
- Web service is set up to impersonate a windows authenticated user
- Web service only allows Windows authentication
- I've confirmed in code that the recognized user at run-time is the
expected windows authenticated user
- The user is in a windows group that does have full access to the file
- The file is located on a network share addressed by UNC
- Permissions on the share and the local folder allow full access to this
group
- In testing, I confirmed that the user can read & write the file outside of
the web service - actually the user ran a VBScript that created the file
before the web service took over
- The file is not locked in any way
- Whether I try to open the file or even run a File.Exists() method, the
file is not accessible from within the web service.
I will appreciate any assistance.
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