Installation

Error 123 during Splunk installation on Windows server - Need help!

Nancywheeler60
Explorer

Hello Splunk community,

I'm in the process of installing Splunk for the first time on a Windows server. I've followed the official installation guide, but I've encountered an issue during the installation process. After running the installer, I received an error message that says 'Error 123: The filename, directory name, or volume label syntax is incorrect.'

I've double-checked the installation path and made sure there are no special characters, but I still can't seem to get past this error. Has anyone else experienced this issue during installation? What steps can I take to resolve it and successfully install Splunk on my Windows server?

Any help would be greatly appreciated. Thank you!

Labels (1)
0 Karma
Got questions? Get answers!

Join the Splunk Community Slack to learn, troubleshoot, and make connections with fellow Splunk practitioners in real time!

Meet up IRL or virtually!

Join Splunk User Groups to connect and learn in-person by region or remotely by topic or industry.

Get Updates on the Splunk Community!

Make Your Machine Data AI-Ready in Splunk

Every team is getting ready for AI agents.   Thursday, November 12, 2026  |  11AM  PST / 2PM EST   ...

Splunk Asynchronous Forwarding Explained

Splunk asynchronous forwarding is often misunderstood as simply setting autoLBVolume. That is not quite right. ...

How to Monitor AI Agents with Splunk Agent Observability

Let’s say I’m running a travel planning AI app in production. A user asks for three concise hotel options in ...