Send Option is missing when Blackberry device is connected to Desktop Manager

Problem Description: 

Send option is missing when user tries to reply or create new messages from Blackberry device, when the device is synced through Desktop Manager.

However able to perform the forward operation on Blackberry device.

Resolution:

• Delete the service book Desktop [CMIME] on Blackberry device and resend the service book from BAS Console.
• User will be able to see the send option when the device is not connected to desktop manager. Again when Blackberry gets connected to Desktop Manager, Send Option goes missing.
• Run a repair of the Desktop Manager, perform a clean Un-installation of Desktop Manager, Restart the desktop and Re-install.
• Connect the Blackberry device to Device Manager and generate new encryption key under E-mail settings.