After upgrade from 10.0.515 to 10.0.516 Replication Distribution Server finisced with same failures

After upgrade from 10.0.515 to 10.0.516 Replication Distribution Server finisced with same failures

Hi, I write you beacuse I installed desktop central in 8 different sites using for each one a specific distribution server. With the build version 10.0.515 everything worked properly.
After the agent upgrade to 10.0.516 all distribution servers of  Remote Offices all DS are in orange alert with the declaration that "Replication Cycle finisced with some failures".
I tried to restart DS servers, do disinstall and reinstall the agent of distribution server in same of them with no good result. I tried also to disable totaly the antivirus of all installations.
The strange thing is that before of the upgrade all functions works properly.

Please this is a very urgent problem, I thanks you by now :)
 

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