Error while configuring WSS 3.0 in Biztalk Server

Trying to install & configure WSS 3.0 services in biztalk server where SQL SErver is in remote machine. Installed these SQL server components(Client Connectivity and Management tools) in Biztalk server. The account that I am using has Admin rights in both machines. New databases are being created in sql server while configuring , but fails at the end.

I would really appreciate if anyone can help me on this. Thankyou in Advance!!

ERROR:Failed to create the configuration database.An exception of type System.UnauthorizedAccessException was thrown.  Additional exception information: Attempted to perform an unauthorized operation.System.UnauthorizedAccessException: Attempted to perform an unauthorized operation.   at System.Security.AccessControl.Win32.SetSecurityInfo(ResourceType type, String name, SafeHandle handle, SecurityInfos securityInformation, SecurityIdentifier owner, SecurityIdentifier group, GenericAcl sacl, GenericAcl dacl)   at System.Security.AccessControl.NativeObjectSecurity.Persist(String name, SafeHandle handle, AccessControlSections includeSections, Object exceptionContext)   at System.Security.AccessControl.NativeObjectSecurity.Persist(String name, AccessControlSections includeSections, Object exceptionContext)   at System.Security.AccessControl.FileSystemSecurity.Persist(String fullPath)   at Microsoft.SharePoint.Administration.SPProvisioningAssistant.ResetAcl(FileSystemInfo fi, Boolean append)   at Microsoft.SharePoint.Administration.SPServer.ResetAcl(FileSystemInfo fi, Boolean append)   at Microsoft.SharePoint.Administration.SPServer.StaticProvision(SPConfigurationDatabase configurationDatabase)   at Microsoft.SharePoint.Administration.SPFarm.Join()   at Microsoft.SharePoint.PostSetupConfiguration.ConfigurationDatabaseTask.CreateOrConnectConfigDb()   at Microsoft.SharePoint.PostSetupConfiguration.ConfigurationDatabaseTask.Run()   at Microsoft.SharePoint.PostSetupConfiguration.TaskThread.ExecuteTask()