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Outlook/Exchange 2010: Cannot expand this folder. There is not enough memory to perform this operation

Posted on 2011-09-15
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Last Modified: 2013-08-12
I have a brand new Dell i5 Laptop, 6GB of RAM with 64bit Windows, along with 64bit Office and Outlook attached to Exchange 2010 (onsite). I am getting all sorts of memory related Outlook glitches such as: cannot open folders in the users main mail mailbox, cannot view other shared mailboxes, cannot move messages between folders, the Calendar view defaulting to List view instead of the proper view the user had set..  etc. The error I get a lot is in the title: "Cannot expand this folder. There is not enough memory to perform this operation"

I even totally wiped the machine installed a non-OEM copy of Win7 64bit (Enterprise) and it still has the same problem on a clean install. I am also using /safe in Outlook for troubleshooting, and it hasn't helped at all.

A few notes: I am in cached mode and want to stay that way, Outlook should work fine in this configuration with Exchange.

The paging file is set to system managed currently, but before I reinstalled, I did try to manually set it to 9GB min, 12GB max.. no change.

This user has a large mailbox, plus opens 2 more additional large shared mailboxes.. so the OST file is large, around 3.6GB total.

I have also tried disabling the AntiVirus (Symantec EndPoint) temporarily.. and that doesn't seem to help anything either.

The users old laptop works fine with WinXP and Office 2007... in which they find ironic their new laptop and new software can't seem to handle it!...
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Question by:aconway
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Alan Hardisty earned 500 total points
ID: 36545915
I had similar issues with 64-bit Office until I downgraded it to 32-bit office and then all was happy.
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by:aconway
ID: 36545962
^^ I am not ruling that out as an option... :)

Kinda upset this isn't working tho!!
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by:Alan Hardisty
ID: 36545987
Tell me about it - I thought 64-bit laptop - 64-bit Windows - 64-bit office (heck - it makes perfect sense).

Sadly the rest of the world hasn't caught up yet and there were other programs that couldn't work with 64-bit Office, so it soon came off.
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Author Comment

by:aconway
ID: 36552542
Welp, I gave up and installed 32bit Office 2010.. and it works flawlessly.. not exactly what I wanted, but oh well, it works.
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Expert Comment

by:Alan Hardisty
ID: 36552592
Sorry - wasn't best pleased myself, but it's less stress :)

Thanks for the points.

Alan
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Expert Comment

by:DyrandSystems
ID: 39402989
Microsoft recommends using x32 office unless there is a specific reason to run x64.
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