"Can't contact LDAP Directory server (81)" error message when you try to use the Address Book in Outlook 2002 (312343)

The information in this article applies to:

Microsoft Outlook 2002

This article was previously published under Q312343

For a Microsoft Outlook 2003 version of this article, see 836205.

SYMPTOMS

After you upgrade to Outlook 2002, when you are composing a new e-mail message and you either click the To button or try to open the Address Book, you may receive the following error message:

Can't contact LDAP Directory server (81)

CAUSE

This behavior can occur if the Lightweight Directory Access Protocol (LDAP) service was installed by mistake or is incorrectly configured.

RESOLUTION

To resolve this behavior, remove the LDAP listing:

Start Outlook 2002, and on the Tools menu, click E-mail Accounts.
Click View or change existing directories or address books, and then click Next.
Click the LDAP type name, click Remove, and then click Yes.

MORE INFORMATION

For additional information about LDAP, click the article number below to view the article in the Microsoft Knowledge Base:

290034 OL2002: Error Message Appears When LDAP Tries to Check Name After Upgrade to Outlook 2002

Modification Type:	Minor	Last Reviewed:	7/28/2006
Keywords:	kbaddressbook kbfunctions kberrmsg kbprb KB312343