Time Machine backup

Is it normal for an initial time machine backup w/encryption to take 12+ hours? I am backing up my MacBook Air which can’t be more than 100GB of data. It seems like it’s been stuck on “encrypting” for most of the day, very little movement on the status bar.

Take a look at this post:

Thanks! I did a search before I posted as I figured this had been asked before but didn’t see your thread. Appreciate the tip and will try that. (BTW, it looks like it finished encrypting overnight.)