Times ago I used the command Off[NDSolve::tag].
Now I've been forgetting which message I removed and I would like to restore it.
Someone knows if is there a way to reset all the default messages ?

  • $\begingroup$ Does On[NDSolve] work for you? $\endgroup$
    – Somos
    Mar 25, 2021 at 14:56
  • $\begingroup$ @Somos I've just tried and on my version 12.1 and it doesn't work. Thanks for the attempt. $\endgroup$ Mar 25, 2021 at 22:07
  • $\begingroup$ AFTER evaluation of NDSolve command try to evaluate Messages[NDSolve]. It will list all messages that occured during evaluation. Not printed messages will be wrapped by $Off[ ]. $\endgroup$
    – Acus
    Mar 26, 2021 at 7:41
  • $\begingroup$ Much thanks this is what I need $\endgroup$ Mar 26, 2021 at 9:24
  • $\begingroup$ @user18792 Post it as an answer? $\endgroup$
    – xzczd
    Mar 28, 2021 at 2:09

1 Answer 1


AFTER evaluation of NDSolve[ ] command evaluate Messages[NDSolve]. It will list all messages that occurred during evaluation. Suppressed messages are wrapped by head $Off.

  • $\begingroup$ And On @@@ Keys@Messages@NDSolve will turn them all on, if desired. (It turns on the ones that are already on, too, but it's faster than figuring out how to turn on only the ones that are off.) $\endgroup$
    – Michael E2
    Apr 27, 2021 at 19:38

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