Integrated Logon with AD using webaccess Failed

Hi All,

Our Customer use LDSD 7.7 and SQL Server for DB

I had problem when configure webaccess logon integration with AD. i already configure as the LDSD documentation.

Please see the error log below :

Authentication

Authenticate User Logon at 2014-10-01 11:53:25.974

Logon Policy: IntegratedOnly

User Name:

User Guid: 00000000-0000-0000-0000-000000000000

Password:

Windows Principal (used for Integrated Logon):

Network Logon Hash (used for Integrated Logon):

Is Integrated Logon: False

Is Interactive: True

Logon Status: Explicit

Group Name:

Group Guid: 00000000-0000-0000-0000-000000000000

Reason for Logon Failure: UserNotSpecified

IGNORED

Logon failed

   at Touchpaper.Framework.SystemServices.Authenticator.ValidateCredentials(ITpsCredentials tpsCredentials, Boolean isAnonymous)

   at Touchpaper.Framework.SystemServices.Authenticator.AuthenticateLogon(ITpsSession tpsSession, ITpsEnvironment environment, ITpsCredentials tpsCredentials, Boolean isAnonymous)

   at Touchpaper.Framework.SystemServices.Authenticator.Logon(ITpsSession tpsSession, ITpsEnvironment environment, ITpsCredentials tpsCredentials, Boolean isAnonymous)

Any suggest??

thanks for your kindly help.

rgds,

i-