Paralles Update failed because user account UID 0 exists twice

A

AndreasS7

Bit poster
Hi,

I tried to update my parallels to v12 and the installation failed.
I got the message that it failed, because there is an non-root-account with the UID 0 on the system and there should be only one with this UID.

Following the parallels help files, I entered this phrase in a terminal window:
dscl . -list /Users UniqueID
and it gave me nearly 30 accounts I never heard of, with several different UIDs. For example:
phylephebic 401
prespecification 401
rickets 401
root 0
satiety 401
sleigher 401
sprod 401
subdefinition 401
sulphobutyric 401
tarage 0
transpirable 401
Trogonidae 401
Uncinula 401
unutterable 401
Xylotrya 401

Any ideas how to change the UID of "tarage" to another UID....????
 
$ sudo dscl . -change /Users/tarage UniqueID 0 599
- here you may replace "599" with the non-used UID you want to assign to this user.
 
It depends on the user. If that user is a regular user, under which you may log into the system, its UID should be unique and greater than 500.
 
No, all users I showed in the list above are never used and I never installed them. The system nomally has only ONE user, me.
 
Last edited:
> No, all users I showed in the list above are never used and I never installed them. The system nomally has only ONE user, me.

Well... Frankly speaking these users look weird. So I suggest to consider removing them from the system. But! If they are added and used by some application on your Mac removing these users may break this app. So it is up to you to make a decision.

Command to remove the user with id $username: sudo dscl . -delete /Users/$username
 
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