Can you reproduce it with a fresh download?
Which version of VS 2017 are you on?
Did you try on a different machine?
Remove all migration classes (including *DbContextModelSnapshot.cs) under *.EntityFrameworkCore/Migrations folder.
How to upgrade existing solution: https://github.com/aspnetzero/aspnet-zero/issues/96#issuecomment-268093697
How many tabs?
What did you modify?
The scope of our UoW
Do you mean the scope of your migration?
Your question title clearly mentions "on tenant creation".
What do you think the difference is?
Then the server user probably does not have permission to write to Logs.txt.