BlackBerry Enterprise Server v5.0.3 MR4 and Express v5.0.3 MR1

BlackBerry Enterprise Server v5.0.3 MR4 and BlackBerry Enterprise Server Express v5.0.3 MR1 for Exchange, along with Domino and GroupWise flavours, have been released.

The software updates can be downloaded from,


Newly fixed issues in BlackBerry Enterprise Server v5.0.3 MR4 include:

BlackBerry Attachment Service
*When a user viewed an .xls or .xlsx attachment on their device, negative percentages (example, -25%) were not displayed correctly. (DT 1428205)

BlackBerry Messaging Agent
*There is improved handling of partial name collisions that may have occurred in the LegacyExchangeDN field where the expected user account had been disabled. (DT 1448927)

BlackBerry Synchronization Service
*When the BlackBerry Synchronization Service tried to synchronize data for many devices that were not in service, a high CPU usage resulted. (DT 1839166)

BlackBerry Web Desktop Manager
*When you used the default version of USB drivers to connect a BlackBerry device to BlackBerry® Web Desktop Manager, sometimes the attached device was not recognized and could not be activated. (DT 1168677)

Organizer data synchronization
*Contacts that used a custom message class, did not synchronize with Public Folders. (DT 1400600)
*If you changed the Mappings settings for organizer data synchronization at the component level, the organizer
data was not synchronized. (DT 1396390)

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U-turn on Exchange 2010 SP1 /hosting mode guidance?

If you have been following Exchange 2010 options for hosters you will know that until recently you were pretty much pushed down the /hosting mode route. Well today I spotted this blog post by Ian Hameroff and Michael van Dijken, So, You Want to Host Exchange?, suggesting we don’t have to use /hosting if we want UM and some other functionality.


As with Exchange 2000, 2003 and 2007 we are able to make a standard deployment of Exchange 2010 SP1 work as a multi-tenant environment, Paul Roman covers it nicely here, The Hard Way - Hosting Environment Preparation.

My first Hosted Exchange solution was Exchange 2000 with a custom built automation engine, which was great, but I remember how much better the support was when HMC was introduced. With /hosting mode it became even simpler and although I desperately want UM in my solution today, I am not sure moving away from /hosting is the right direction.

What are your thoughts?


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Exchange 2010 SP1 Rollup 4 re-released

After being pulled and providing an explanation the Exchange Team have re-released Update Rollup 4 for Exchange Server 2010 Service Pack 1 (KB2579150).

Get the update below.