However when everything goes ok, the same error is raising in every cmd running.
Performing Consistency Checks ----------------------------- Checking cluster versions ok
*failure* Consult the last few lines of "pg_upgrade_server_start.log" or "pg_upgrade_server.log" for the probable cause of the failure.
connection to database failed: could not connect to server: Connection refused (0x0000274D/10061) Is the server running on host "localhost" (::1) and accepting TCP/IP connections on port 50432? could not connect to server: Connection refused (0x0000274D/10061) Is the server running on host "localhost" (127.0.0.1) and accepting TCP/IP connections on port 50432? could not connect to source postmaster started with the command: "C:/Program Files/PostgreSQL/9.4/bin/pg_ctl" -w -l "pg_upgrade_server.log" -D "C:/Program Files/PostgreSQL/9.4/data" -o "-p 50432 -b " start
I ran this upgrade on Windows Server 12 64 bit. I researched this error and why it raises but I don't find any proper solution. If anyone relates this problem, I can share my log files.
