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Could you please let me know how many server I need to install MS Dynamics NAV 2017, I need to know if I can have a server with all roles to NAV or I need separated servers to install NAV in my network infrastructure.
Thanks in advance for your help.
With 1 server is enough, you do not need to separate AD or Database as it is on Dynamics AX, for example.
It depends on how many users and money do you have.
NAV works perfectly on one server. But many users requre lots of memory.
Also it's a good practice to separate database and application (and development environment) on different servers.
Installing NAV with other systems on one server looks good only at the begining. Once I've got a headache when install NAV with Power BI, because each BI user requires about 4Gb of RAM.
Recommended suggestion: please separate DB from application, so I recommend at least a machine for SQL Server and another machine for NAV Service Tier. Obviously all servers can be virtualized. This is the recommended configuration that ensures the best performances and (very important) the best scalability of your solution.
For sizing or more info, I suggest you a read of this:
You can install all on one server, but it is a best practice to separate the SQL on one Server and NAV on another server.
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