Re: Calling SQL Native Web Service failed as unauthorized

Hello Hao,

I understand that when you try to Add web reference to a sql http web
service, you are required to input domain credential. Though you have the
correct domain account/passowrd, you are repeated to prompt to input again.
If I'm off-base, please let me know.

Based on my experience, this issue might be caused by integration
authentication. Your development machine might not have the delegation
right for kerberbose authentication. I suggest that you try to use NTLM
authentication on SQL server side to work around the issue. For example"

CREATE ENDPOINT SQL_Products
STATE = STARTED
AS HTTP
(
PATH = '/AWproducts',
AUTHENTICATION = (NTLM),
PORTS = (CLEAR),
CLEAR_PORT = 9999
)
FOR SOAP
(
WEBMETHOD 'ProductList'
(NAME='AdventureWorks.dbo.prProductList'),

BATCHES = DISABLED,
WSDL = DEFAULT,
DATABASE = 'AdventureWorks',
NAMESPACE = 'http://Adventure-Works/Products'
)

If you want to enable integrated authentication. You may try the following
method:

In the user Active Directory property, Account is sensitive and cannot be
delegated, must not be selected.

If you have any further questions or concerns on the issue, please feel
free to let's know. Thank you.

Best Regards,

Peter Yang
MCSE2000/2003, MCSA, MCDBA
Microsoft Online Community Support
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