Management Studio cant Connect - Handshake Issue

Trying to connect to SQL server 2014 on Server 2012. Locally it works fine, application DB is running and clients are working on DB. When I try to connect via Server Management Studio I get the following error.

Connection Timeout Expired. The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement.

I found the following entries in logs.

The certificate received from the remote server was issued by an untrusted certificate authority. Because of this, none of the data contained in the certificate can be validated. The SSL connection request has failed. The attached data contains the server certificate.

A fatal alert was generated and sent to the remote endpoint. This may result in termination of the connection. The TLS protocol defined fatal error code is 48. The Windows SChannel error state is 552.
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YeaktomIS/IT ManagerAsked:
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Vitor MontalvãoMSSQL Senior EngineerCommented:
You are using a previous version (2012) to connect to a more recent version (2014). The opposite way can be done but what you're trying to achieve don't.
Install SSMS 2014 and then you'll be able to connect to the SQL Server 2014 instance.
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YeaktomIS/IT ManagerAuthor Commented:
Let me test that, will get back to you.
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YeaktomIS/IT ManagerAuthor Commented:
Installed Microsoft SQL Server Management 2014, still has the same issue.

TITLE: Connect to Server
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Cannot connect to 192.168.244.5.

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ADDITIONAL INFORMATION:

Connection Timeout Expired.  The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement.  This could be because the pre-login handshake failed or the server was unable to respond back in time.  The duration spent while attempting to connect to this server was - [Pre-Login] initialization=23251; handshake=211;  (Microsoft SQL Server, Error: -2)

For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&EvtSrc=MSSQLServer&EvtID=-2&LinkId=20476

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The wait operation timed out

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BUTTONS:

OK
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YeaktomIS/IT ManagerAuthor Commented:
It looks like the issue was Windows Firewall related. Funny thing is I did open port 1433 for SQL Engine and 1434 for Browser. When I disable FW completely SSMS connects without any issues.
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Vitor MontalvãoMSSQL Senior EngineerCommented:
Are you trying to connect remotely, right?
Did you test to login in the server and run the SSMS locally?
I am also assuming that you're trying to connect to the default MSSQL instance.
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YeaktomIS/IT ManagerAuthor Commented:
adding the program to FW exceptions did the trick.

%ProgramFiles%\Microsoft SQL Server\MSSQL12.MSSQLSERVER\MSSQL\Binn\sqlservr.exe
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Vitor MontalvãoMSSQL Senior EngineerCommented:
Confirm that SQL Server instance is really using the 1433 port. For named instances usually is a dynamic port and not a static one.
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YeaktomIS/IT ManagerAuthor Commented:
Adding the rule solved the issue.
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