Hello Pablo, On 2/18/19 1:42 PM, Pablo Neira Ayuso wrote: >> After I set max_expected to 4, the backup completes successfully. > > Then, the new protocol version needs to set up more than 3 > expectations in parallel. Please, document this in your patch > description. I did so in my reply to this message on Feb. 18. Does this work for you, or is there anything else I can do? Best regards, Florian