✎ [V7] ISSUE: [UserCacheManager.login] Error message from Active Directory LDAP: error code 49? [Ahsay Wiki]

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===== [V7] ISSUE: [UserCacheManager.login] Error message from Active Directory LDAP: error code 49?   =====

<html>
 <b>
  Article ID:
 </b>
 5188
 <br/>
 <b>
  Reviewed:
 </b>
 2016-09-19
 <br/>
 <br/>
 <b>
  Product Version:
 </b>
 <br/>
 AhsayCBS: 7.3.2.0 to 7.x
 <br/>
 OS: Windows
</html>


<html>
<FONT COLOR=red SIZE=+1>
<B>ATTENTION</B>
1st January, 2022: v7 officially End-of-Life [<A HREF=https://wiki.ahsay.com/doku.php?id=public:announcement:ahsay_v7_eol>details</A>]
</FONT>
</html>

===== Problem Description =====
<html>
For AhsayCBS server with Windows Active Directory Integration enabled, the following message is displayed in the System Error Dashboard:
<br>
<br>
<i>[UserCacheManager.login] Error message from Active Directory LDAP: error code 49</i>
 <br>
<table border="0" cellpadding="0" cellspacing="0" width="875">
  <tr>
   <td bgcolor="#FFFFFF" style="BORDER-RIGHT: #A0A0A0 2px solid; BORDER-BOTTOM: #A0A0A0 2px solid" valign="middle">
    <b>
     Timestamp
    </b>
   </td>
   <td bgcolor="#FFFFFF" style="BORDER-RIGHT: #A0A0A0 2px solid; BORDER-BOTTOM: #A0A0A0 2px solid" valign="middle">
    <b>
     Login Name
    </b>
   </td>
   <td bgcolor="#FFFFFF" style="BORDER-RIGHT: #A0A0A0 2px solid; BORDER-BOTTOM: #A0A0A0 2px solid" valign="middle">
    <b>
     Owner
    </b>
   </td>
   <td bgcolor="#FFFFFF" style="BORDER-RIGHT: #A0A0A0 2px solid; BORDER-BOTTOM: #A0A0A0 2px solid" valign="middle">
    <b>
     Message
    </b>
   </td>
  </tr>
  <tr>
   <td bgcolor="#FFFFFF" style="BORDER-BOTTOM: #C8C8C8 1px solid" valign="middle">
    ...
   </td>
   <td bgcolor="#FFFFFF" style="BORDER-BOTTOM: #C8C8C8 1px solid" valign="middle">
   </td>
   <td bgcolor="#FFFFFF" style="BORDER-BOTTOM: #C8C8C8 1px solid" valign="middle">
   </td>
   <td bgcolor="#FFFFFF" style="BORDER-BOTTOM: #C8C8C8 1px solid" valign="middle">
   </td>
  </tr>
  <tr>
   <td bgcolor="#FFFFFF" style="BORDER-BOTTOM: #C8C8C8 1px solid" valign="middle">
    YYYY-MM-DD
    <br/>
    hh:mm:ss
   </td>
   <td bgcolor="#FFFFFF" style="BORDER-BOTTOM: #C8C8C8 1px solid" valign="middle">
    username
   </td>
   <td bgcolor="#FFFFFF" style="BORDER-BOTTOM: #C8C8C8 1px solid" valign="middle">
    --
   </td>
   <td bgcolor="#FFFFFF" style="BORDER-BOTTOM: #C8C8C8 1px solid" valign="middle">
    [UserCacheManager.login] Error message from Active Directory, '[LDAP: error code 49 - 
    <br>
    80090308: LdapErr: DSID-0C0903D9, comment:AcceptSecurityContext error, 
    <br>
    data 52e, v2580]'
   </td>
  </tr>
  <tr>
   <td bgcolor="#FFFFFF" style="BORDER-BOTTOM: #C8C8C8 1px solid" valign="middle">
    ...
   </td>
   <td bgcolor="#FFFFFF" style="BORDER-BOTTOM: #C8C8C8 1px solid" valign="middle">
   </td>
   <td bgcolor="#FFFFFF" style="BORDER-BOTTOM: #C8C8C8 1px solid" valign="middle">
   </td>
   <td bgcolor="#FFFFFF" style="BORDER-BOTTOM: #C8C8C8 1px solid" valign="middle">
   </td>
  </tr>
 </table>
Note:
<br>
System Errors can be viewed by logging into the AhsayCBS web console, at <b>Dashboard</b> &gt; <b>System Errors</b>.
</html>
  
===== Cause =====
<html>
The error message LDAP: error code 49 is returned by Windows Active Directory in response to login authentication issue. For example, invalid login credentials, password expired, account disabled, user not found ...etc.
<br>
<br>
Refer to the following link for more details:
 <br/>
 <a class="postlink" href="https://www.ldap.com/ldap-result-code-reference">
  https://www.ldap.com/ldap-result-code-reference
 </a>
</html>


===== Resolution =====
<html>
To resolve the issue:
 <br>
 <ol>
  <li>
   <font color=black>If the corresponding Active Directory account of the AhsayOBM / ACB had been removed from the Active Directory, uninstall the AhsayOBM / ACB client application on all affected machines.</font>
  </li>
  <br>
  <li>
   <font color=black>If the corresponding Active Directory account of the AhsayOBM / ACB still exists, verify on the Active Directory Service Interfaces if the account is enabled and if password is valid. Re-login to all affected AhsayOBM / ACB client to confirm on the login credentials.</font>
  </li>
 </ol>
</html>

===== Keywords =====
Windows Active Directory, LDAP, Authentication, AD
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