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curFlag for Sri Lanka

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HA - Exchange and AD

we are in the process of having HA due to combination of issues  . One is in case of all the mail box lost due to external attack , human error or software issue  . I am not too sure we can recover the data from the other server due to the other server also get the  update immediately that changes . I hope other type of risk  will work with the HA . our exchange and AD on the hosted solution and hardware level protection with the VM ware  .

please share the exchange available option  to make the mail availability 24 X 7
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Peter Hutchison
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thanks .

3. Two or more mailbox servers configured with their own storage and using Database Availability Groups

our exchange server all the mails got empty . only information I can see from the logs is some request to move mail boxes . we lost all the data in the mail box and got empty one  . I am working on the reason to happen that issue .

on the same time looking at mail box level HA ? I hope in this incident will nor option than backup even if we the  3 rd  option  . Can we delay the syn operation to the other Database groups  ?

other thing is we are going with the recovery mail box or multiple mail box recovery  . is there any way we can restore the entire mail Box store rather individual or group level . I hope this will handle by the backup software ? what is the best on this
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Database Availability Groups ? need any license requirement
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Any feature call exchange cluster ?