I have a node that always worked. When I do something like updating iri, for example, everything seems fine with it.

The problem is, in these cases, the "Solid Milestone Index" started to increase for a few milestones and now it's stuck in a certain index number (308077 this time).

What is the problem and how can I solve it?

  • I think you must be patient. I had it lag behind for about 15 minutes, then suddenly it was the same.
    – Daniel F
    Dec 21, 2017 at 20:25
  • @DanielF mine is stuck for hours..
    – Th3B0Y
    Dec 21, 2017 at 20:58
  • How many really active neighbors do you have?
    – Daniel F
    Dec 21, 2017 at 21:01
  • you can also check in #botbox on slack whether the coordinator is having any issues (otherwise it should post there every minute)
    – mihi
    Dec 21, 2017 at 23:39

1 Answer 1


Two possibilities (but there may be others):

  • your neighbors are dead or not synchronized. In this case your node cannot synchronize with the Tangle. solution: find other neighbor. You may consider using Nelson to improve your connectivity to the network (check channel #nelson on the slack)
  • you run into a behavior that is suspected to be a bug in IRI https://github.com/iotaledger/iri/issues/428. solution: restart your node
  • 3
    Please add some explanations to these possibilities, maybe some indication to find out which is the culprit. Otherwise this is more a comment than an answer.
    – Helmar
    Dec 23, 2017 at 19:39
  • Thank you for pointing out the inadequacy of my response, I have added some clarifications. This said, I can't comment other people posts at the moment because I don't have enough reputation.
    – youyou
    Dec 24, 2017 at 6:38

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