Exchange server recovery

Prerequisites for your Exchange Server Recovery operation:

Step 1: Reset the computer account using the Windows interface

• Open Active Directory Users and Computers, click Start, click Control Panel, double-click Administrative Tools, and then double-click Active Directory Users and Computers.
• In the console tree, click Computers.
• In the details pane, right-click the computer, and then click Reset Account.
• After installing the OS on the new server, give it the same name as that of the lost server.
• Add the sever to the domain of the lost server.
• Install all the prerequisites for Exchange Server 2016.
• Start the command prompt after login on to the Exchange Server, and run the following command –

  Command: Copy & Paste it on EMS

  Setup /m:RecoverServer /IAcceptExchangeServerLicenseTerms

• Finally, configure the server as per your requirements and restart.
• To verify the recovery, check if the Microsoft Exchange Server services are running in the Windows Services tool.

Step 2: Recover a DAG member server

• Open Active Directory Users and Computers, click Start, click Control Panel, double-click Administrative Tools, and then double-click Active Directory Users and Computers.
• Retrieve any replay lag or truncation lag settings for any mailbox database copies that exist on the server being recovered by using the Get-MailboxDatabase cmdlet:

  Command: Copy & Paste it on EMS

  Get-MailboxDatabase DB1 | Format-List *lag*

• Remove any mailbox database copies that exist on the server being recovered by using the Remove-MailboxDatabaseCopy cmdlet:

  Command: Copy & Paste it on EMS

  Remove-MailboxDatabaseCopy DB1\MBX1

• Remove the failed server's configuration from the DAG by using the Remove-DatabaseAvailabilityGroupServer cmdlet:

  Command: Copy & Paste it on EMS

  Remove-DatabaseAvailabilityGroupServer -Identity DAG1 -MailboxServer MBX1

• Reset the server's computer account in Active Directory. For detailed steps, see Reset a Computer Account.
• Open a Command Prompt window. Using the original Setup media, run the following command:

  Command: Copy & Paste it on EMS

  Setup /m:RecoverServer

• When the Setup recovery process is complete, add the recovered server to the DAG by using the Add-DatabaseAvailabilityGroupServer cmdlet:

  Command: Copy & Paste it on EMS

  Add-DatabaseAvailabilityGroupServer -Identity DAG1 -MailboxServer MBX1

• To know the status of the retrieved DAG server, use the following command –

  Command: Copy & Paste it on EMS

  Get-MailboxDatabaseCopyStatus -Server < MyExchangeDatabase >

Step 3: Recover data from Offline EDB files and restore on your Live Exchange server

Now use EdbMails to recover the lost Exchange server mailboxes using an offline EDB file. Also, migrate mailboxes directly to your new Live Exchange server / Office 365 using EdbMails.

Click here for the detailed Steps to export EDB file to PST file

Click here for the detailed Steps to migrate EDB mailboxes to New Exchange Server

Click here for the detailed Steps to migrate EDB mailboxes to Office 365