Marc
Does it give any reason in the console why the match wasn’t allowed ?
Can you check the file lengths of your songs with the songs listed on MusicBrainz, if they differ dramatically this is normally the reason not to do a match, and check Jaikoz is showing the correct songs lengths, in the past there has been the odd file that Jaikoz incorrectly calculates the length for.
Also, consider this. If you have 10 songs and you tell Jaikoz that you want to match them to a particular release how does Jaikoz know which song in Musicbrainz matches to which song in Jaikoz, it has to do it based on song length, puids and if available artist, title and trackno metadata. If I can’t find a match for all ten songs I cant just match to some of the songs because that is not what yo would want.
Of course there may be a particular problem and the best way for me to find out would be if you could make the songs available to me and I can test it out.
But the (albeit cumbersome) workaround is to add in the MB UniqueId and MB Release Id for each song then you can update them using Update Metadata from Musicbrainz Id