So it turns out that vCO 5.5 and vCAC 6.0 are compatible out of the box however the url has changed and that is what caused the issue. In pre 5.5 the url would be https://vocserver:8281 and it is now https://vcoserver:8281/vco . Argh. I took 5.5 out of compatibility mode and updated the endpoint url and now it connects fine.
↧