I've setup TS so that when a user lods on it runs an
initial app. When users logon they get error 193.

MS gives the following advice:

Microsoft Knowledge Base Article - 186604

Terminal Server Client Error 193
This article applies to.
This article was previously published under Q186604
SYMPTOMS
A non-administrator user tries to log on through the
Terminal Server Client, and receives the following error:

An error (193) occurred while creating user logon. Failing
component: explorer.exe.
When the user clicks OK, the client terminates.
CAUSE
The user does not have access to Explorer.exe. The cause
is most probably that the administrator has turned on the
administrative utility, Application Security, but has not
added Explorer.exe to the list of allowed applications.
RESOLUTION
At the Terminal Server, the administrator can add
Explorer.exe to the list of authorized applications. To do
this, run the Application Security application and choose
ADD. Browse for the application or enter the path (which
is drive:\systemroot\explorer.exe).
The information in this article applies to:
Microsoft Windows NT Server 4.0 Terminal Server Edition

I'm not running NT 4.0, how do I do this in Windows 2000?

Check if this helps:

320181 - HOW TO: Use the Application Security Tool to Restrict
Access to Programs in Windows 2000 Terminal Services
http://support.microsoft.com/?kbid=320181

But if you are not aware of having installed AppSec, then the
problem might simply be that you have too tight restrictions on
the C:\WinNT directory structure.

--
Vera Noest
MCSE, CCEA, Microsoft MVP - Terminal Server
http://hem.fyristorg.com/vera/IT
--- please respond in newsgroup ---

"Michael Doyle" <(E-Mail Removed)> wrote in news:2595c01c38dc8
$f8e7c3e0$(E-Mail Removed):

> I've setup TS so that when a user lods on it runs an
> initial app. When users logon they get error 193.
>
> MS gives the following advice:
>
> Microsoft Knowledge Base Article - 186604

< complete text of http://support.microsoft.com/?kbid=186604
deleted for brevity >

> I'm not running NT 4.0, how do I do this in Windows 2000?