[ISS Support Case] OI Server
Last updated: October 17th, 2025Description
OI Server started having random failures 4 to 6 weeks ago. The failure is the NIC (virtual network interface card) no longer works. The OS continues to run. The OI server continues to run, although all it does is generate thousands of errors like "The xxxxx message timed out", "Failed to Connect to...", "Device connection attempt to nn.nn.nn.nn timed out, socket closed". The Windows Event logs are clean - well, plenty of stuff in them but no warnings or errors along the lines of "NIC is dead". So I'm getting no clues in the logs, the OS continues to run, the DA server continues to run, but the NIC can not reach anything. My VMWare find no errors, and are convinced that something on the OS/Application side is "locking up" or "corrupting" the NIC. It never did before. And it doesn't do it on our other 2 DA servers that we run at our remote plant sites. Please help us determine the cause of the failures, or eliminate possible causes like configuration. Our VMWare team specifically asks us to: "When running Wonderware on a Windows 2016 virtual machine running the Vmxnet 3 adaptor we experience an outage of the NIC card only. Everything else on the operating system is fine." When the DA server no longer can communicate with PLCs we lose all data collection until the server is rebooted. Please help.
- Author: Kevin Modlin
- Published: October 17th, 2025
Details:
| Product: Comm Drivers |
| Version: 2017 |
| Solution: [Solution is visible below when you're logged in and have a current subscription] |
| Date Created: | 08/05/2022 |
| Case: | 82210 |
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