You may get the following error while executing Get-Mailbox on Microsoft Exchange Server 2016.

Error:

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 Active Directory server is up and running in your environment. Try to ping an Active Directory server from Microsoft Exchange Server.

 

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

About the Author: Karim Buzdar holds a degree in telecommunication engineering and holds several sysadmin certifications. As an IT engineer and technical author, he writes for various web sites. He blogs at LinuxWays.

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