SQL SERVER – ERROR: Failed to verify the Authenticode signature of FileName

Sometimes there is some malware which would do changes on the machine which is impossible to track. Most of the time, based on my interactions with various clients, we need to format and rebuild the OS because you never know what data is getting compromised using which program running in the background. In this blog, we would learn about an interesting error Failed to verify the Authenticode signature of the filename.

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SQL SERVER – Script – Turn off Firewall Remotely (PowerShell, NetSh, PsExec)

I was working with a client to deploy an automated solution to install SQL Server. Since this involved scripting and running PowerShell remotely, we wanted to disable the firewall. Due to automation, we were not supposed to log in to the server and use UI. So, I search on the internet and found a few ways to do that. In this blog, I am going to share scripts which can turn off the firewall remotely.

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SQL SERVER – How to Generate Random Password? – Enhanced Version

Earlier last month, I posted an interview question – How to Generate Random Passwords in SQL Server? – Interview Question of the Week #181. Though, my efforts were honest my answer was not complete in that blog post. Thankfully, SQL Server Expert Tim Cartwright noticed the error in the blog post and decided to send me to follow up email with the accurate script to generate a random password.

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SQL SERVER – Database Mirroring Login Attempt Failed With Error: ‘Connection Handshake Failed. An OS Call Failed: (80090350)

While Microsoft has introduced an AlwaysOn availability group feature in SQL Server 2012 and people have been using it instead of database mirroring. In this blog, we would learn how to fix error Database Mirroring login attempt failed with error: ‘Connection handshake failed. An OS call failed: (80090350).

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