where is the lost free space ?

Posted on 2013-06-16
Last Modified: 2013-06-17
Hi there,
I have one exchange server 2010 on one virtual machine/server and 2008 server o/S
I defraged my database and I win a lot a space but I have always a problem of space.
When I select My database and all folders on my e: is equal to 80Go on partition of 200 Go
In the propriety of the partition, I have only 30 Go free space on 200 Go.
I ask me where is the difference of  90Go ?
Please help me
Question by:simlip
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
LVL 11

Accepted Solution

sighar earned 500 total points
ID: 39251007
When you defrag, you rearrange the space on the disk, you don't "win" any space. I'd suggest Treesize to see what data is taking up the space. It could be in the Recycle bin or some system folder. Run Treesize as Admin.
LVL 19

Expert Comment

ID: 39251012
REboot the server and run chkdsk /f on the drive.
Take a backup before doing it.

Expert Comment

ID: 39251013
Online Training Solution

Drastically shorten your training time with WalkMe's advanced online training solution that Guides your trainees to action. Forget about retraining and skyrocket knowledge retention rates.


Author Comment

ID: 39251022
Thank all for you reply
I follow advice to use tree size.
When I check, I have 80Go of system volume information.
I have nothing in the bin.
Please help me
LVL 11

Expert Comment

ID: 39251096
Is your virtual disk dynamically expanding or fixed size? If it is dynamically expanding, do you have enough space on your virtual host machine?
LVL 70

Expert Comment

ID: 39251102
Most likely you have Shadow Copies enabled, so Windows is automatically saving previous versions of your files; and restore points for the OS at various points in time.

If that's the case, additional space will automatically be freed up as you need it.   But if you want to "start fresh", just disable System Restore and all of the current restore points and shadow  copies will be deleted => this will free up a LOT of space ... but you won't be able to restore to any previous state, so be SURE the system's running well before you do that.

... and you'll likely want to re-enable system restore afterwards, unless you maintain very good images.    Personally, I simply image the OS once/month, have automated daily backups of all our data, and do NOT enable System Restore.

Expert Comment

ID: 39251117
Installed tree free size software and check which folder is occupying more space

Refer the below link
LVL 47

Expert Comment

ID: 39252653
Shadow copies. They are eating your space. Clear up the shadow copies and see how much you get back.

Author Comment

ID: 39252842
it seems to be temporary staging files from backup exec ..

Featured Post

[Webinar] How Hackers Steal Your Credentials

Do You Know How Hackers Steal Your Credentials? Join us and Skyport Systems to learn how hackers steal your credentials and why Active Directory must be secure to stop them. Thursday, July 13, 2017 10:00 A.M. PDT

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This article will help to fix the below errors for MS Exchange Server 2013 I. Certificate error "name on the security certificate is invalid or does not match the name of the site" II. Out of Office not working III. Make Internal URLs and Externa…
There are times when we need to generate a report on the inbox rules, where users have set up forwarding externally in their mailbox. In this article, I will be sharing a script I wrote to generate the report in CSV format.
With the advent of Windows 10, Microsoft is pushing a Get Windows 10 icon into the notification area (system tray) of qualifying computers. There are many reasons for wanting to remove this icon. This two-part Experts Exchange video Micro Tutorial s…
This video demonstrates how to sync Microsoft Exchange Public Folders with smartphones using CodeTwo Exchange Sync and Exchange ActiveSync. To learn more about CodeTwo Exchange Sync and download the free trial, go to:…
Suggested Courses

628 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question