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Is it possible to run more than one Bitcoin client at the same time on the same machine? I tried to set different working ports, but it seems not to be working.

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You need both a different RPC port (-rpcport), a different P2P port (-port), and a different working directory (-datadir). You will also need to use the daemon (bitcoind) for everything after the first instance, since only one GUI can be running at the same time.

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    Ok. I set all these parameters differently but again I am not able to run 2 bitcoin client together. Should I use the daemon bitcoind instead of bitcoin ? I am working on windows ... – ADenis Sep 27 '11 at 12:16
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    Oh, yes. I believe only one GUI can be running at the same time as well. – Pieter Wuille Sep 27 '11 at 12:35
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    Yes, using bitcoind after few tests it seem work! – ADenis Sep 27 '11 at 13:06
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    I followed these steps and it worked. However, I can't get peers using a different P2P port, getpeerinfo is always empty. How can this be solved? – bvpx Feb 20 '14 at 5:29
  • first you should run getpeerinfo using bitcoin-cli with datadir and addnode with the local ip and port – Badr Bellaj Dec 6 '17 at 23:59

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