| Event Id | 1216 |
| Source | NTDS LDAP |
| Description | Internal event: An LDAP client connection was closed because of an error. |
| Event Information | After you run the Dcpromo.exe tool to install the first Microsoft Windows
Server 2003 computer in a domain, and then you restart the computer, you may
receive Lightweight Directory Access Protocol (LDAP) bind errors. When you run the Dcdiag utility on the computer, you may receive the following error message: LDAP search failed with error 55. The specified network resource or device is no longer available. When you run the Netdiag.exe diagnostic utility on the computer, you may receive the following error message: Cannot do un-authenticated ldap_search to ServerName.DomainName.com: Unavailable. [WARNING] Failed to query SPN registration on DC ServerName.DomainName.com. For more information click on the link given below to a Microsoft article. |
| Reference Links | You receive LDAP bind errors after you run Dcpromo to install the first Windows Server 2003 computer in a domain |
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