We have cucm cluster of pub and sub 1 & 2. We have upgraded pub and sub 2 from version 9.1 to 11.5 and done with switch version. Sub 1 upgrade still remainng but its showing partition unaligned error as attached snaps. we do not required sub 1.
Please advise, shell i upgrade sub 2 or delete it from the cluster?
@Rajan If i upgrade subscriber 1 TO11.5, Partitions Unaligned error will remain the same ?
there will be any issue with Pub or Sub 2 (already upgraded) ?