Eariler in the month AWS went down, well, parts of it and as you might expect being the biggest of the cloud providers it caused a number of other services to go offline. And of course, it was DNS fault. Domain Name System (DNS) is the service that translates human friendly names into computer friendly numbers, IP addresses. It’s one of the fundentmental services that runs our modern digital world....
A really annoying problem I hit recently with a some Azure Runbooks was the following message occuring: Invoke-Sqlcmd : The WriteObject and WriteError methods cannot be called from outside the overrides of the BeginProcessing, ProcessRecord, and EndProcessing methods, and they can only be called from within the same thread. Validate that the cmdlet makes these calls correctly, or contact Microsoft Customer Support Services. After doing some digging, I found out that Invoke-SqlCmd isn’t thread safe, so other runbooks running on that Azure Automation account, could interfere with each other....