ExpressCache & Outlook OST/PST - any performance benefit?

Hey Guys,
Any ideas on whether ExpressCache helps with Outlook OST/PST access times?
These files that range in size from 1-5GB have a huge impact on Outlook usability when it comes to access times and I'm wondering if it's worth removing ExpressCache and partitioning the mSATA hard drive to manually place the Outlook OST and other often accessed data files on the faster partition.
Any thoughts?

Hello Joe,
You can use microsoft utility scanpst.exe or scanost.exe. You can also use exmerge.exe or Recovery storage group to recover corrupted file.
scanpst.exe. Also called Inbox Repair Tool. This is a free tool installed with your Outlook. It can fix most of the minor errors and corruptions in your PST files. More detailed information can be found athttp://support.microsoft.com/kb/287497
Try the Recoveryfix for Outlook PST Repair Software, is good to recover all your corrupted Outlook emails like calendars, tasks, appointments, deleted and missing emails and you also seen view the preview of recovered items. It will definitely helps you to
recover & copy your Outlook archive file. Download from http://www.repairostfile.net
Thanks

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Possible to increase Outlook OST/PST size to 200GB?

Hi all,
I wanted to know per the subject if it's possible to increase the OST/PST limit to 200GB? If so, would anyone be kind enough to post the values so I can amend a reg key?
Thanks

Hi,
There are two format of Outlook data file. In theory, maximum Unicode pst/ost file size is 1TB or 1024 GB. The maximum file size for
ANSI pst is 1.9 GB.
To increase the maximum size of Outlook data file, please refer:
http://support.microsoft.com/kb/832925
http://www.slipstick.com/outlook/config/changing-the-default-pst-and-ost-sizes/
Please note, if your Outlook data file is too large, it may cause some unexpected issue. So it's not recommended to create a large Outlook data file.
Hope this helps.
Best Regards,
Steve Fan
TechNet Community Support

Is there any performance benefit in placing the LR Catalogue on an SSD

I currently have the LR Catalogue [16 Gb] on a WD Black HDD and read/write is OK but would there be any benefit in using an SSD?
My DNGs are stored on an HDD and I doubt any significant improvements would be noticed there [plus SSD's don't have the capacity yet].
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Error on pst file When leave outlook opend without any action for a while

Hi,
When I leave my outlook opend without any action for a while it reports an error in the pst file and out of memory error,so i have to close outllok then open it again
this problem is general (not just on my pc ), i tried compact for the pst file but the problem still occure.
i use outlook 2007 and sun java System Connector 7.3
my mail server is :
Sun Java System Communications Express 6.3
sun java System Connector 7.3 patch id is 139162-05

_1-when i click on any message the error is:_
Error on C:\Users\Administrator\AppData\Local\Sun\Outlook Connector\SJOC_1.pst
*2-when i click on folder such as drafts,sent items ..... the error is : out of memory please close..............*
if i close the outlook then open it again every thing is working well
i monitor the outlook process, it was as the following:
at 9:01 am 17.628 K
at 9:17 am 18.348 K
at 9:50 am 25.972 K
at 10:05 am 20.220K
the messaging server version is:
Sun Java(tm) System Messaging Server 6.3-7.04 (built Sep 26 2008; 32bit)
libimta.so 6.3-7.04 (built 18:30:54, Sep 26 2008; 32bit)
SunOS Cegco-Internet 5.9 Generic_122300-22 sun4u sparc SUNW,Sun-Fire-880
the clients os is windows vista bisuniss
all updates are installed
this problem is common in my company
Edited by: Firas_Khadrawi on Dec 8, 2009 9:09 AM

How to recover outlook ost error messages?

my outlook ost files does not work what i do? How to access my outlook ost file again any please gives any solutions to easily access and convert ost file into outlook?

First of all, I just wonder what is your meaing of "does not work", whether you can still access the data in the OST file, but get some error messages, or you cannot access the data at all? Based on different cases, you should use different solutions and
will save you a lot of time and money.
Without mor specific information, I have to give out general advices here:
There are several methods to convert OST file to PST file.
First, Microsoft does not provide an official tool to do the conversion. However, if you can access the contents of the OST file in your Outlook, then you can perform the conversion manually, as follows:
1. Start Outlook. Make sure you can access all the contents in the OST file to be converted.
2. Create a new PST file.
3. Go to the OST file, select and copy all the contents to be converted with your mouse.
4. Go back to the new PST file, then paste all the contents into the PST file
That will do the conversion.
You can also perform the conversion by export the contents of the OST file to a PST file by following the instructions at:
http://office.microsoft.com/en-001/outlook-help/export-outlook-items-to-an-outlook-data-file-pst-HA102534110.aspx
Second, if you can access the Exchange server containing the account data for the OST file, then you can use Export-Mailbox command to export the data into a PST file, similar to convert your OST file into a PST file. Below is the article about doing that:
http://technet.microsoft.com/en-us/library/bb266964.aspx
http://technet.microsoft.com/en-us/library/cc535123.aspx
Third, if you cannot access the OST file via Outlook, neither can you access the Exchange Server, then you can refer to Outlook MVPs' website discussing about this issue:
http://www.slipstick.com/problems/pst-repair/convert-an-exchange-offline-file-ost-to-a-personal-file-pst/
Forth, there are many third-party OST to PST conversion tools you can try, below is a list of them:
http://www.datanumen.com/exchange-recovery/compare.htm
Nearly all these tools provide a free trial so you can try first to see if a tool works before purchase it.
Good luck!

Lost all Outlook messages when I performed a full system recovery.

I performed a system recovery [set unit back to factory settings] on my HP Pavilion with Vista and unexpectedly lost all Outlook emails. I thought I would retain all emails until I deleted them from my actual email account; such as Cox.net or Hotmail. Further, When I went to sign up again for Outlook, thinking I could somehow go to Outlook.com and find the deleted messages, I was forced to sign up for Windows Mail. Now I cannot sign in to Outlook.com. Any ideas? Or, have I simply lost all the old emails?

Your question is too intricated but I have tried to deduce the possible. Look at them one by one.
1.) Microsoft Outlook and Outlook.com are different types modes of email communication. If you are striving to access MS Outlook’s database which is somehow lost during factory settings of machine, then search the PST file which you was using prior to reset. If you find, then append it with your Outlook.
Note: Sometimes, data gets manipulated during such practices, so its better to repair Outlook PST file using scanpst.exe. Nevertheless, if you don’t not find any data (even if you may have detected PST file), then recovery of PST data using any third party utility (like: Outlook PST Repair Tool) is only possible way to get back data.
2.) I cant say as I do why you are not able to login into your Outlook.com. Maybe, you have changed its login details or something else due to which you are not able to figure out. Were you using 2-step verification for your Outlook.com. In particular, if you were using such kind feature, then reset your password and you would be successfully regain the accessability.
Thanks & Regards
Riya

Outlook.ost file corrupted , scanpst & scanost did not help

Hi,
Exchange server 2003 SP2
Microsoft Outlook 2003
The PC hosting the Outlook profile was formated
Its hard drive was attached as a slave to another PC
Data recovey software was able to recover the Outlook.ost file (possible with errors).Showed the file in a $$$named-folder
ost2pst.exe did not work (error 01110....) . Seems in-compatible with Outlook 2003
Recovery for exchange 2.0 reported a corrupted ost file
Any ideas please?
Thanks

Hi,
For Exchange account/OST file, you really don't need to repair or convert it to pst to recover the data.(don't be taken in to use any of the recovery/convert-softwares which you might see below)
Actually your data/messages are still there on the server, as suggested by
<Ed> and <Keith> above, all you need to do is to configure your account again and let Outlook re-build the OST file.
More reference about OST file:
http://office.microsoft.com/en-us/outlook-help/introduction-to-outlook-data-files-pst-and-ost-HA010354876.aspx
Regards,
Ethan Hua
TechNet Community Support
It's recommended to download and install
Configuration Analyzer Tool (OffCAT), which is developed by Microsoft Support teams. Once the tool is installed, you can run it at any time to scan for hundreds of known issues in Office
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Why I get CRC error when copying outlook.ost file?

My workstation is using NTFS, Outlook 2007 with Exchange 2007 server.
My outlook.ost file is 1.7GB.
As my Outlook runs into problem, I tried to copy the outlook.ost file to another location for repair, but I keep getting CRC errors and the file was not copied.
I also tried to use winrar to compress it and it runs into the same CRC error.
Q#1. What causes this CRC error? hard disk error or software?
Q#2. How to repair such CRC error?
Thanks.

Hi Peter,
The cyclic redundancy check, or “CRC” error, indicates a bad spot/corruptions within the file that you are trying to copy and in lot of cases with your hard disk.
To make sure if the problem is with the .ost file or your hard disk, you can fire up a Command Prompt window, and then copy the file to NUL:
C:>CD (path of your .ost file)
C:(path of your .ost file)>copy name.ost NUL
If this succeeds, the problem is with your .ost file. If this fails, it should be a hardware based disk issues.
If it's an issue with your .ost file, I'd suggest to run
scanpst.exe tool to repair your data file, then check if this fixed it.
When the issue is hardware based, you probably need to find Disk Errors in the System log of your Event Viewer. You can access the Event Viewer by going to:
Control Panel-> Administrative Tools-> Event Viewer
By the way, .ost file is actually a local copy of your mail items on the server. For a corrupted .ost file, you actually don't need to "copy the outlook.ost file to another location for repair". You can simply rename it to .ost.old
or delete it, and then re-launch Outlook to let it generate a new .ost file from server.
Regards,
Ethan Hua
TechNet Community Support
It's recommended to download and install
Configuration Analyzer Tool (OffCAT), which is developed by Microsoft Support teams. Once the tool is installed, you can run it at any time to scan for hundreds of known issues in Office
programs.

Outlook OST File Converter

Now more information for perform multiple conversion for OST file : - http://osttopst-software.blogspot.in/

Hi,
Thanks for your posting.
For question of convert Outlook .ost file, we recommend you post it at Exchange Server Clients forum! Which is the best place for Outlook, OWA, and other client’s related questions or issues.
Exchange Server Clients Forum:
http://social.technet.microsoft.com/Forums/en-US/exchangesvrclients/threads
The reason why we recommend posting appropriately is you will get the most qualified pool of respondents, and other partners who read the forums regularly can either share their knowledge or learn from your interaction with us.
Thank you for your understanding.
Have a nice day!
Lawrence
TechNet Community Support

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ExpressCache & Outlook OST/PST - any performance benefit?

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