Connector setup fails with the error:
"The specified resource name contains invalid characters."
Azure Blob Storage - Setup page
Best way to avoid this error is to copied as it is from the Azure environment.
A container name must contain valid characters, conforming to the following naming rules:
All letters must be lowercase.
Names must be from 3 through 63 characters long.
Names must start or end with a letter or number.
Names can contain only letters, numbers, and the dash (-) character.
Every dash (-) character must be immediately preceded and followed by a letter or number; consecutive dashes are not permitted in container names.
When there are characters introduced to the Container Name which do not follow the Azure storage container naming convention.