Jose Manuel Jurado Diaz 86’d that option:
Today, I worked on a service request that our customer got the following error message: Cannot open backup device ‘https://XXX.blob.core.windows.net/NNN/YYY.bak‘. Operating system error 86(The specified network password is not correct.). RESTORE HEADERONLY is terminating abnormally. (Microsoft SQL Server, Error: 3201). Following I would like to share with you some details why this issue and the activities done to resolve it.
Read on to get a better understanding of what this error actually means and how you can fix it.