Previously I had the official windows desktop ethereum-wallet synced and working, but the other day my computer crashed and corrupted my blockchain sync, so I deleted my chaindata folder and started over. This time I synced with geth --fast --cache=2048. When it was caught up I closed geth and attempted to open the wallet, but ever since then I immediately get an error that says something like "Unable to connect to node, see the logs for more details." I made sure I was allowing geth to communicate through my firewall, but that didn't fix anything.

My question is, where are the logs and how can I view them? Also when running geth --fast, what is the proper way to close geth once it is caught up? I used CTRL-C in the command prompt because I couldn't figure out a better way. And for future reference, can geth --fast be stopped before it's caught up and then resumed later?

1 Answer 1


geth --fast has nothing to do with the connection to node, --fast is only telling geth to sync the block headers only and enough to perform transactions. A few latest blocks.

Wait until the node is fully synced.

--fast Enables fast syncing through state downloads

  • Any idea what could be preventing the node connection?
    – Daniel E
    Jul 12, 2016 at 3:15
  • @DanielE ipc might be disabled?
    – niksmac
    Jul 12, 2016 at 9:46

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