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Planview Customer Success Center

Changepoint and TLS 1.2 v2014 SP2

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Symptoms

Changepoint does not work when TLS 1.0 is disabled on the server, even if TLS 1.2 is available.

 

Reason

By default, Microsoft .NET 4.5 does not use TLS 1.2 even when available.

Resolution

Either use .NET 4.6 or apply the following registry change which allows .NET 4.5 to use other encryption methods than only TLS 1.0:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319]
"SchUseStrongCrypto"=dword:00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\v4.0.30319]
"SchUseStrongCrypto"=dword:00000001

Also, please install general patch 17.02.072.000: User is not able to logon to Changepoint when disable TSL1.0 on the server if the Changepoint database and website were installed on the same server.