St. Petersburg, since the failure of Crown Prince Alexandrovich's trip to Austria, the Tsarist Government had realized that the Russian-Austrian Alliance had come to an end.
A heavy frost doesn't form in a single day. Over time, contradictions between Russia and Austria had been gradually accumulating.
In the past, the two governments suppressed discordant voices through their alliance, but now they could no longer contain them.
Relations between Russia and Austria began to change with the accession of Alexander II. The personal inclinations of an Emperor in a monarchic state have a significant influence on politics.
After the outbreak of the Prusso-Russian War, Austria didn't offer full support to the Russians, showing their displeasure towards the Tsarist Government beyond just matters of interest.