[Solved] Get-Mailbox : Active Directory server is not available

This short guide shows you how to solve the error "Get-Mailbox : Active Directory server is not available" on a Microsoft exchange server. You may get the following error while executing the Get-Mailbox function on a Microsoft Exchange Server 2016.

The full error message is:

Get-Mailbox : Active Directory server is not available. Error Message: Active directory response: The LDAP server returned an unknown error.

Resolution:

Properly cross-check that the Active Directory server is up and running in your environment. Try to ping an Active Directory server from Microsoft Exchange Server.

 

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