Do I need to run BES for just one phone

We run Exchange 2010 under SBS 2011 with about 50 users. One of our users owns a Blackberry and wants push email. In addition, he only connects to our network through Remote Desktop.

Our Exchange server with 16GB of memory is already maxed out and I really don't want to increase the burden by running BES just for a single user.

Do I have any alternative?
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if its only one user you could use the bis service.
its up to 10 accounts.
hope that helps

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astgpaulAuthor Commented:
stergium - that's very helpful information.

I assume that I forward his Exchange email to his BIS account? But will he be able to reply using his company domain account?
If you have OWA published then BIS should do the job. If you need more control over the service then BESX (free express version of BES) is a good compromise but does require additional infrastructure or resources.
To allow replies from your domain and avoid forwarding all mail to the personal BIS address then please see the following
astgpaulAuthor Commented:
Thanks to those that helped solving this problem. Using OWA via Orange's Blackberry data service has worked a treat.
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