I have a .NET 2.0 application that accesses a web service (written in .NET 1.1).  When certificate is required we receive the following error:
A fatal error occurred when attempting to access the SSL  credential private key. The error code returned from the cryptographic module is ...

I am Writing a control that access the webservice to retrieve some data from
SQL server and write into an excel file.  I use
Provider=Microsoft.Jet.OLEDB.4.0 to write the file to Excel file. Test the
control in the windows application, everything works fine, but when host in

While attempting to setup file sharing between a wireless laptop and a
wireless desktop, I made a change to "mycomputer".  I clicked the "computer
to part of a network".  As a result, when I rebooted and got the ALT-CTL-DEL
screen and then the logon to Windows, my previous ...

Hi, I'm using vs2005 and .net 2.  I got the current forest and I want to get
all the root domain of all domain trees in a forest.  I use
forest.RootDomain.Name and got one of the root domain.  But, how can I get
all the other root domains?  Thank you.

I created a small program that should be able to validate a user's
credentials with the new 3.5 framework.  It seems to work on my laptop
that is joined to a domain, but does not work on my desktop at home
that is in a workgroup.  Does anyone know if that is a limitation?  Is

I have used the caspol tool and tried to set security for the network share
but still getting errors containing:
"System.Security.Permissions.UIPermission mscorlib" and
"System.InvalidOperationException".

in my company we are using a proprietary clear text protocol to do the
communication between client and server for a product of ours. The
protocol requires authentication, but login and password pass on the
network in clear text.

I've been trudging through old posts, but can't seem to find an
answer. This is the 'Effective Permissions' problem. I've seen a lot
of 'You Can't" and "Do it Using PInvoke/Windows API". I'd like to stay
with a C# solution. Google is only returning two pages. The pages

Hello group,
I am issuing a code-signing certificate from an Enterprise CA. I am
currently using the Certificate Services' web interface with the code-
signing template.

I have an application that performs an http post to the remote server using
SSL. When I run the app on my local machine, I get this error:
The underlying connection was closed: Could not establish trust relationship
for the SSL/TLS secure channel.