2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Research In Motion\BBAttachEngine\Distillers
\LoadImageDistiller.
3. Right-click MaxWidth.
4. Click Modify.
5. Change the value to the maximum width in pixels.
6. Click OK.
7. Right-click MaxHeight.
8. Click Modify.
9. Change the value to the maximum height in pixels.
10. Click OK.
11. In the Microsoft® Windows® Services, restart the BlackBerry Attachment Service.
Change the maximum file size of attachments that users can send
1. In the BlackBerry® Manager, click the Home tab.
2. Click Edit Server Properties.
3. In the left pane, click Messaging.
4. To change the maximum file size for a single attachment that users can send, in the Messaging Options section, in
the Maximum Upload Attachment Size field, type a value that is between 1 and 3072.
5. To change the maximum file size for multiple attachments that users can send at one time, in the Messaging
Options section, in the Maximum Upload Total Attachment Size field, type a value that is between 1 and 5120 and
that is greater than the Maximum Upload Attachment Size.
6. Click OK.
Optimize the handling of file attachments
You can optimize the performance of the BlackBerry® Attachment Service by controlling how it retrieves, distills, and converts
attachment data. Every attachment conversion process allocates memory when it starts, uses memory on conversion, and
locally caches the Document Object Model, also referred to as the DOM. A larger cache size means that more memory is
allocated to each running conversion process. The maximum file size of attachments affects the cached memory that the
BlackBerry Attachment Service uses.
When the BlackBerry® Professional Software receives an attachment, the BlackBerry Attachment Service converts the
attachment into a DOM and caches the DOM locally. By default, the BlackBerry Attachment Service maintains the cache
for 25 minutes or until a new request exceeds the cache limit for that process. If the cache limit is exceeded, the BlackBerry
Administration Guide
Optimize the handling of file attachments
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