Article ID: KB00139 Type: Support Content Last Modified: 10-07-2011 PrintEmail Document Bookmark

Product(s) Affected: • BlackBerry® Enterprise Server for Microsoft® Exchange Search the knowledge base:

• Visit BlackBerry Community Support Forums • Follow us on Twitter® @BlackBerryHelp Collapse all | Expand all Jump to: Overview | Environment | Additional Information Overview If antivirus or anti-spam software scans an email message after the BlackBerry® Enterprise Server processes the message, the reference ID (RefID) of the email message might change and the email message might not be delivered to the BlackBerry smartphone. Administrators can configure the BlackBerry Enterprise Server to delay email processing in order to allow time for anti-virus software or anti-spam software to scan email messages. Warning: The following procedure involves changing the computer registry. This can cause substantial damage to the Windows® operating system. Document and back up the registry entries before implementing any changes. To delay mail processing, complete the following steps: 1. In the Registry Editor, go to one of the following locations:

For BlackBerry Enterprise Server 2.1 and earlier:

HKEY_LOCAL_MACHINE\Software\Research In Motion\BlackBerry\Server

For BlackBerry Enterprise Server 3.5 to 3.6:

HKEY_LOCAL_MACHINE\SoftwareResearch In Motion\BlackBerry\Servers\<BlackBerry_Enterprise_Server_name>

For BlackBerry Enterprise Server 4.0 to 5.0:

For Windows 32-bit OS: HKEY_LOCAL_MACHINE\SOFTWARE\Research In Motion\BlackBerry Enterprise Server\Agents For Windows 64-bit OS: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Research In Motion\BlackBerry Enterprise Server\Agents 2. If the ProcessMailDelay registry entry already exists, change the Value data field to the number of seconds you would like mail processing to be delayed. If the ProcessMailDelay registry entry does not exist, create a registry entry with the following values: Name Type Value ProcessMailDelay DWORD This value specifies the number of seconds to delay email processing. For example, a value of 5 delays mail processing for 5 seconds. 3. 4. Restart the BlackBerry Dispatcher and BlackBerry Controller.