HOW TO
It is not required to purchase a CA-signed certificate for the ArcGIS for Server machine when using a valid CA-signed certificate on the Web Adaptor. Instructions provided describe the steps to do this.
http://resources.arcgis.com/en/help/main/10.2/index.html#/Enabling_SSL_using_the_default_self_signed_certificate/0154000005wq000000/
http://resources.arcgis.com/en/help/install-guides/arcgis-server-web-adaptor-iis/10.2/index.html#//01nz0000002p000000/
http://resources.arcgis.com/en/help/install-guides/arcgis-server-web-adaptor-iis/10.2/index.html#/Installing_the_ArcGIS_Web_Adaptor/01nz0000000n000000/
http://resources.arcgis.com/en/help/install-guides/arcgis-server-web-adaptor-iis/10.2/index.html#/Configuring_the_ArcGIS_Web_Adaptor/01nz00000025000000/
https://<web adaptor url>/arcgis/rest/
Article ID: 000012306
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