exchange standard vs exchange enterprise

D_wathi
D_wathi used Ask the Experts™
on
Dear Experts

As per the policy we must deploy on-premise email server and we are planning to go for exchange enterprise or standard.  However our user base is 20 users at present and we may maximum have 25 to 30 users in next 5 years. We are planning for barracuda email security appliance.  
1. Please suggest is it recommend going with exchange standard OR exchange enterprise
2. As security point of view we should have tight security hence will there be any difference between standard and exchange
3. Understood standard will provide 5 mail database will this be sufficient for 25 to 30 users
4. What all features that will not be available in exchange standard compared to exchange enterprise.
please help, thanks in advance
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Technical Consultant
Commented:
Licensing

As with all Microsoft products you need to be licensed to install them, the server itself comes in two licensing flavours;
Standard : 1 to 5 Mailbox databases.
Enterprise: 1 to 100 Mailbox databases.
And to access the servers, each client will need a CAL (Client Access Licence). As with previous versions they have given them the same names to confuse everyone! You do not need an Enterprise CAL for Enterprise Exchange, for example. The enterprise CAL just gives you some more features.
Standard: The minimum required to access Exchange, (per database journaling/archiving).
Enterprise: Same as above but allows per user journaling/archiving, DLP (Data Loss Protection), IRM (Information rights management search facility), and IPC (Information Protection and Control).
Ref: https://www.petenetlive.com/KB/Article/0001301

>>Please suggest is it recommend going with exchange standard OR exchange enterprise

Unless you want 'per user' journalling stick with Standard.

>>As security point of view we should have tight security hence will there be any difference between standard and exchange

See above

>>Understood standard will provide 5 mail database will this be sufficient for 25 to 30 users

Good lord yes :)

>>What all features that will not be available in exchange standard compared to exchange enterprise.
please help, thanks in advance

See above


</P>
AmitIT Architect
Distinguished Expert 2017
Commented:
For your requirement Standard edition is enough. Security is a vast topic. You can divided security into physical and software level.

Example:
At physical level, who can go into your datacenter and switch off your server.
At software level, who all have admin level rights to modify or shut down your Exchange server.

As far as, security at transport level, any good spam filter software is enough.

If you ask my suggestion, you should go for office 365, you will get security and high availability by default. Implementing same at on-premises level, for such small user base, is an expensive solution.
DP230Network Administrator
Commented:
Hi, I implemented 5 Standard and 1 Enterprise Exchange 2016 servers 3 years ago and they still are running smoothly.

The big difference is the number of database which you already knew, but I just want to suggest the size of each Database <= 1 TB (it is easier to manage), so that's why you need more than 5 DB in Enterprise version

For my company: the Enterprise server hosts ~ 2000 users, with 15 DBs

For your company: Standard version is more than enough, I even think that Exchange is kind of expensive with small number of users like that. You can use other free platform, such as iRedmail (I used that, too) but it's up to you to  choose whatever your company can afford

Regarding Security issue, Exchange itself has Transport filters so that you can configure rules to block some harmful emails. Also with physical hardware like Sonicwall (we are using it), Barracuda, you will have another defense line. One more thing, you may add another defense line by installing AV in your staffs' PCs. I have done the same the my company has run smoothly for years.

Hope this help!

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