International BES Express

All,

Currently working for a small firm with a number of small offices around the world.  Company is running BES express.  There is one BES in each country.

The mobile providers are all different, in each country.

Is it necessary for me to run BES in each country? If so, why?

Or would it better to just run a single BES?  Will this work bearing in mind the different mobile network suppliers?

Any supporting docs would be great :)

Many thanks
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Tommy_CooperAsked:
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Simon Butler (Sembee)Connect With a Mentor ConsultantCommented:
BES should be as close to the Exchange servers as possible.
Therefore if you have an Exchange server in each location I would leave BES alone.
BES effectively makes a live MAPI call to the mailbox at very frequent intervals - think Outlook out of cached mode. Therefore trying to run that internationally will be slow and isn't recommended.

I think this is discussed in the design and technical documents for the full BES 5 product, which is the same underneath as BES Express.

Simon.
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Simon Butler (Sembee)ConsultantCommented:
No, it is not necessary to run a BES in each country.

BES is completely mobile phone provider independant. The mobile provider provides the connection to the Blackberry network only (plus the "phone" bit. There is nothing to be gained by running a BES in each location UNLESS there are also Exchange servers in those countries.

In a previous job I had Blackberry devices in every country in Europe, on a single BES in the UK. I was able to support the Blackberry part, problems with the phone part were handled locally.

Simon.
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Tommy_CooperAuthor Commented:
Hi Simon,

As I thought :)  I didn't mention this, but yes, there are also Exchange servers in each site.

Do you know if there is there much effect or latency with a BES in London and Exchange servers out there in Europe?  

I also have offices in the US/Caribbean and Far East, but I might try moving the EUR users first.

Anyone else have thoughts?

Cheers
TommyC
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Tommy_CooperAuthor Commented:
Hi Simon,

Brilliant. Many thanks!

Have a great day!

TommyC
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