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rebuild exchange server after cyber attack
Dear Excahnge experts
We got cyberattack destroyed everything
We did recovery almost everything from the backup
But now we are building everything again in a new clean environment
About exchange server
After we build a new DCS and export and import the user's objects
How we can take the data files and insert them in the new exchange server and bring the mailboxes for the users in a functional way
Do Microsoft has any tools to do this or any third-party tool or any procedure
All the time when I used to install or upgrade exchange I use to do a coexistence approach then migrate the mailboxes but now this is the first time I face such an approach
Any help here, please
Export from all users to PST and import the PSTs after reconfiguring Outlook
If you get your EDB and AD restored.
recover the server using recoverserver switch
https://docs.microsoft.com/en-us/exchange/high-availability/disaster-recovery/recover-exchange-servers?view=exchserver-2019
to able to restore from Exchange Backup, you must reinstall using the most possible identical parameters and names !
=> Starting by using the same Organization Name, same Domain name and ideally same Exchange server name.
ASKER
so in this case as you said i do the following
1- install new active directory DCs
2- export the users objects from the old DCs
3- import the users object to the new DCs (( the user here will new SIDs )) i hope this wil not effect the procedure
4- install new exchange server the same version 2016 CU20
5- creat the same DBs with the same name
6- do restore of the DBs (( here i have no idea hoe to make it i need more info
after the the mail boxes for users will work normally ? !
i need more doc here pls
That works only if you manage to restore your old AD.
ASKER
because we are building new environment from 0
so in this case the only solution to export every mailbox as PST
and then in the new environment we import them for every user
i know some tools can do this can you give me a name for good tool
This is the option which is easy at this moment and will not take much time.
It will be helpful if you have assistant. He can go to all users and start exporting meanwhile you can build the full infrastructure.
Another option is to extract from EDB. You need EDB backup restored.
ASKER
the organization name the same sword
conver EDB to PST has cost which cost ?
we have Veeam which have exchange module
or we can buy such tool
https://www.nucleustechnologies.com/buy-edb-to-pst-conveter.html
so this can be do able or ?
We got cyberattack destroyed everythingFor modeling these dangers, you'll need to come up with a comprehensive plan. Threat modeling will help you predict how a cyber attack will unfold, as well as the threat's impact and potential countermeasures.
https://www.experts-exchange.com/articles/33330/Threat-Modeling-Process-Basics-and-Purpose.html
Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.
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If Mailbox databases, you can create empty mailboxes databases on Exchange, rename and configure them as previous mailboxes, set them to allow restore, and overwrite mailbox databases with the restored mailbox databases.
For OST and PST, there are loads of tools besides Outlook itself to restore mail.