Outlook Error LDAP Directory is unavailable
How to Fix Outlook Error LDAP Directory is unavailable
↣ Click Outlook Icon >>> Tools Menu >>> Address Book
↣ Click Tools Menu Click Options
↣ Change the option under Show this address list first to be an address book other than the LDAP directory.
↣ When sending mail, check names using these address lists in the following order
↣ Move the LDAP directory to the bottom of the list by selecting it and clicking the down-arrow.
Outlook Error LDAP Directory is unavailable