OWA 2007 disable autocomplete

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Laura1873

My company considers the autocomplete feature in OWA to be a security flaw. Management's concern is that an employee could inadvertantly send an email about one customer to another customer. I have disabled autocomplete in GPO and that takes care of Exchange/Outlook. However, I must figure out a way to disable autocomplete in OWA 2007. Is there any way to completely disable autocomplete in Exchange/OWA? The company would even be willing to upgrade to Exchange 2010 if it allowed me to disable autocomplete in OWA.
 
R

Ripu Daman

Hi,

Issue description: How to disable “Auto Complete” feature via OWA?
I assume that your exchange version is 2007, since exchange 2003 doesn"t have “Auto Complete” function on OWA

Explanation: The e-mail list is saved in users" mailboxes, it is loaded when user click the “New” to compose messages. The function is by design, it can't be disabled per my knowledge

The only available option is to delete e-mail entries:

1. Delete an entry from the list using OWA

a. Login to mailbox via OWA

b. Create a new meeting request

c. Begin typing the entry you want to delete until you see it in the Auto Complete list

d. To remove one entry from the list, highlight the name in the Auto Complete list, arrow up and arrow down allow you to highlight the name you want to remove

e. When the entry is highlighted, press the Delete button on your keyboard

2. Delete the entire list using OWA Light

a. Log in to mailbox using Outlook Web Access Light

b. Go to Options -> Messaging

c. Under Email Name Resolution, click " Clear Most Recent Recipients List"

3. Delete the cache entries from the mailbox with MFCMAPI

a. Launch MFCMAPI on a PC where it has user"s mail profile that is not configured for Exchange Cached Mode from Outlook.

b. “Session” menu->choose “Logon and Display Store Table”->choose mail profile in jumped window

c. On the top-pane, double-click user"s mailbox and go to next window

d. In the next window->right-click “Root Container”-> select “Open Associated Content Table”

e. Scroll until you see the “Message Class” column. Right-click on the IPM.Configuration.Owa.AutocompleteCache entry and select “Delete Message”.

f. In the “Delete Item” window select " Permanent delete passing DELETE_HARD_DELETE (unrecoverable)" from the deletion style drop down box, and click OK. This will permanently delete this message.

Notes: It won"t prevent e-mail addresses from caching again in the future
Ripu Daman Mina | MCSE 2003 & MCSA Messaging
 
L

Laura1873

Thanks for your help! We have employees around the globe. I need a solution that is server side.
 
N

Novak Wu

Based on my research, Ripu"s suggestion is the only way to disable Auto Complete feature for the mailbox in OWA. Both Exchange 2007 and Exchange 2010 server side do not have the option to disable Auto Complete feature in OWA. The Auto Complete feature is related to the parameter IPM.Configuration.Owa.AutocompleteCache. I suspect the feature can be disabled automatically in OWA if we can create a script to change the parameter IPM.Configuration.Owa.AutocompleteCache on the attributes from the mailbox user.

Since we only discuss the Exchange issue on the pure Exchange product environment in this forum and we do not have enough Knowledge about Script, I suggest you create a new thread in the Script forum for further assistance. However, if the feature still cannot be archived by Script, I"m afraid that Ripu"s suggestion is the only way to get the feature disabled. Thank you for your understanding.

For your reference, I have enclosed the Script forum below:

http://social.technet.microsoft.com/Forums/en/ITCG/threads

Thanks.
Novak Wu
 
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