Installing SCCM 1606 Secondary Site

First thing is First Why and When We needSCCM Secondary Site ?

When do we need SCCM (1606) Secondary Site ?

It required if we are talking about below...

The remote location is between 500 and 5000 clients

Needs to compress traffic going to the site

Needs to control the upward flowing traffic

Needs a local Management Point

Needs a local Software Update Point

Below are the PreRequirements for installing Secondary site.

 Secondary Site requires SQL Server for its site database.

From Server Features below

Net 3.5 Framework

.Net 4 Framework

Remote Differential Compression

BITS

AD publishing Rights required

for System Management Container

Ports to be open in Firewall

TCP 1433 (for SQL)

TCP 4022 (For SQL)

TCP 135 (RPC/WMI)

TCP 445 (SMB)

Once you installed everything above run the below and review C:\ConfigMgrPrereq.log

prereqchk.exe /SEC SCCMSecondaryServerName /INSTALLSQLEXPRESS /Ssbport 4022 /Sqlport 1433