The ambassadors and other commissioners, disgusted with the long controversy which ensued, were making up their minds to depart when a courier arrived from Spain, bringing not a ratification but strict prohibition of the treaty.

The articles were not to be executed, no change whatever was to be made, and, above all, Wesel was not to be restored without fresh negotiations with Philip, followed by his explicit concurrence.
Thus the whole great negotiation began to dissolve into a shadowy, unsatisfactory pageant.

The solid barriers which were to imprison the vast threatening elements of religious animosity and dynastic hatreds, and to secure a peaceful future for Christendom, melted into films of gossamer, and the great war of demons, no longer to be quelled by the commonplaces of diplomatic exorcism, revealed its close approach.

The prospects of Europe grew blacker than ever.
The ambassadors, thoroughly disheartened and disgusted, all took their departure from Xanten, and the treaty remained rather a by-word than a solution or even a suggestion.
"The accord could not be prevented," wrote Archduke Albert to Philip, "because it depended alone on the will of the signers.

Nor can the promise to restore Wesel be violated, should Julich be restored.