An error occurs when a certain user inputs the wrong credentials. Please advise on my concern below and thank you. See below:
0090308: LdapErr: DSID-0C09030B,
comment: AcceptSecurityContext error
Data 525, v893
HEX: 0×525 – user not found
DEC: 1317 – ERROR_NO_SUCH_USER (The specified account does not exist.)
+ System
– EventData
SupportInfo1 1
SupportInfo2 5012
ProcessingMode 0
ProcessingTimelnMilliseconds 1015
Errorcode 49
ErrorDescription Invalid Credentials
DCNam.
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Issues with Active Directory LDAP Bind
Use below code to connect to AD of different domain and fetch details of the
user in the other provided a Trust is established.
string primarylogon = box1.Text.ToString().Trim();
//box1.Text = Samaccount Name (LANID)
DirectoryEntry oroot = new DirectoryEntry("LDAP://Domainname");
DirectorySearcher search = new DirectorySearcher(oroot);
search.Filter = String.Format("(SAMAccountName={0})", primarylogon);
search.PropertiesToLoad.Add("SAMAccountName");
search.PropertiesToLoad.Add("givenName");
result = search.FindOne();
if (result == null)
{
 lbl1.Text = "No such LAN ID found!Please re-enter the LAN ID";
}else
{
lbl1.Text = "";
string fname;
try
{
fname = result.Properties["givenName"][0].ToString();
}
catch
{
fname = "";
}
}