Configuring partner applications in Microsoft Lync Server 2013 and Microsoft Exchange Server 2013. Error: The underlying connection was closed: Could not establish trust relationship for secure channel SSL / TLS.

Makes settings for partner applications in Microsoft Lync Server 2013 and Microsoft Exchange Server 2013 to article http://technet.microsoft.com/en-us/library/jj688151.aspx

Error in step:
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In Lync Server, partner applications are configured by using the New-CsPartnerApplication cmdlet. In addition to specifying the metadata URI you should also set the application trust level to Full; this will allow Exchange to represent both itself and any authorized user in the realm
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In the Lync Server Management Shell on Lync server perform

New-CsPartnerApplication -Identity Exchange -ApplicationTrustLevel Full -MetadataUrl "https: //autodiscover.domain.local/autodiscover/metadata/json/1"

New-CsPartnerApplication: Can not bind parameter "MetadataUrl" to the target object. Exception when setting "MetadataUrl": "Could not load the metadata document with URL-address parameter MetadataUrl, or downloaded data is not valid metadata document. Error: The underlying connection was closed: Could not establish trust relationship for secure channel SSL / TLS."
line: 1 char: 86
+ ... L -MetadataUrl "https: //autodiscover.domain.local/autodiscover/metadata/json/1"
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~
~~~~
     + CategoryInfo: WriteError: (:) [New-CsPartnerApplication], Para meterBindingException
     + FullyQualifiedErrorId: ParameterBindingFailed, Microsoft.Rtc.Management.
    Internal.NewPartnerApplicationCmdlet
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Please help
Thank you.