How many hours it will take to complete the both Eseutil /P and Eseutil /D


We use VMware and have exchange 2007 and due to some exchange database corruption. Going to clone the exchange server and want to run run Eseutil /P and Eseutil /D on the server during this weekend.
The total size of the Mailbox database on the exchange 2007 is 365 GB,

The Memory on the exchange server is 18GB
Number of virtual sockets =4
Number of cores per socket = 2

Please can you let me know how long it will take to complete the both Eseutil /P and Eseutil /D.
Do I need to run ISINTEG as well.
The free space on the drive where exchange mailbox database located is drive is 800GB and hope this space is ok.

Any help would be great and thanks .
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timgreen7077Exchange EngineerCommented:
No one can really say how long it will take, it could take a few hours or a day, but the 800GB free space should be enough.
lianne143Author Commented:
I am going to take a downtime from Friday evening till Monday morning  and I am getting total of 55hours. Not sure how long the Eseutil /P alone will take.
timgreen7077Exchange EngineerCommented:
Personal opinion is that it shouldn't take that no where near that long based on the DB size but there is no way to give you a time, but i seriously doubt it will take the whole weekend. based on the size it may only take a couple hours, but can promise that.
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lianne143Author Commented:
Any way  I am going to migrate to 0365 by another 4 months and not worried much about the white space.
It is a must to run both Eseutil /P and Eseutil /D .
If it finishes Eseutil /P successfully then the mailbox database must have repaired successfully and then I can ignore running Eseutil /D ?

Please suggest
timgreen7077Exchange EngineerCommented:
Yes you can avoid running it, but if you want reclaim that space you can run it.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Disk I/O will dictate time!

And as a VM will take longer than a physical server
Marshal HubsEmail ConsultantCommented:
It is approximate 10 GB/hour, also depends on the hardware resources & size of white space in edb and stm file.
Check following article repair exchange database by using eseutil commend:

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