HTTP 401.1 error

[Guest]

Hi All,

We developed asp.net web application with integrated windows
authentication.Application uses web services.It is working fine in DEV and
INT environments.
On Production server (Windows 2003 with SP2.),
I am able to access the web pages of the application.But when I am accessing
the web service URL (.asmx) from IE, it is asking for credentials.Though I am
giving the correct credentials, after third attempt IE is displaying the
following error.

HTTP Error 401.1 - Unauthorized: Access is denied due to invalid credentials.
Internet Information Services (IIS)

Kindly help me in resolving this issue.

Thanks in advance.

Shwetha