1. Logon to any server and access the System Manager

Click start then double click on System Manager

 

 

A window Exchange System Manager opens


 

        

2. Click on the + sign on Administrative Groups>First Administrative Group>Servers

   

  


The normal state is as below:


 


 

 

When the database is down the state of the mailbox is as shown below:


 

 

Mounting the store

3. Right click on the Mailbox store


 



4. Select on Mount store

 

       




After mounting the store click on the Queues to force connection of queued emails