SQL Server Backup To Azure Tool Causing Restore Errors

Jack Li diagnoses an issue in which the Microsoft SQL Server Backup to Microsoft Azure Tool causes errors when trying to restore a database on an Azure VM with SQL Server 2008 R2:

I worked on an interesting issue today where a user couldn’t restore a backup.   Here is what this customer did:

  1. backed up a database from an on-premises server (2008 R2)
  2. copied the file to an Azure VM
  3. tried to restore the backup on the Azure VM (2008 R2 with exact same build#)

But he got the following error:

Msg 3241, Level 16, State 0, Line 4
The media family on device ‘c:\temp\test.bak’ is incorrectly formed. SQL Server cannot process this media family.
Msg 3013, Level 16, State 1, Line 4
RESTORE HEADERONLY is terminating abnormally.

We verified that he could restore the same backup on the local machine (on-premises).  Initially I thought the file must have been corrupt during transferring.   We used different method to transfer file and zipped the file.  The behavior is the same.   When we backed up a database from the same Azure VM and tried to restore, it was successful.

Click through for Jack’s findings as well as a couple workarounds.

Related Posts

Running H2O In R On Azure HDInsight

Daisy Deng shows how to configure HDInsight to be able to run the H2O package in R rather than Python or Scala: We provide a few script actions for installing rsparkling on Azure HDInsight. When creating the HDInsight cluster, you can run the following script action for header node: https://bostoncaqs.blob.core.windows.net/scriptaction/scriptaction-head.sh And run the following action […]

Read More

Bacpacing In Azure

Derik Hammer shows how to use a bacpac file to deploy an existing database to Azure SQL Database: The recommended method for working with Azure is always PowerShell. The Azure portal and SSMS are tools there for your convenience but they do not scale well. If you have multiple databases to migrate, potentially from multiple […]

Read More

Categories

April 2017
MTWTFSS
« Mar May »
 12
3456789
10111213141516
17181920212223
24252627282930