The inclusion of "free" in your query could suggest a couple of things:
RVTools relies heavily on specific Microsoft .NET versions. If the required runtime or its security updates are missing, the DLL cannot execute properly.
Always run the latest version of RVTOOLS (download from Robware’s official site – free). Newer versions include better error handling for STS-related issues and often eliminate this error entirely. rvtools unknown error stsservicedll free
When managing a VMware vSphere infrastructure, is an essential free utility for generating comprehensive inventory and health check reports. However, a common roadblock encountered by administrators—particularly when utilizing automated PowerShell CLI scripts or third-party remote desktop utilities—is the "Unknown Error" related to STSService.dll .
To help me tailor a more specific solution, could you provide a bit more context? Please let me know: The inclusion of "free" in your query could
Because RVTools is a third-party application (maintained by Rob de Veij), Broadcom/VMware support typically refers these issues back to the developer or Dell Technologies for resolution. Devolutions Forum
The error indicates that RVTools failed to call or load the STSService DLL properly, which is needed for modern token-based authentication (especially against vCenter 6.5 and later). Newer versions include better error handling for STS-related
The "Unknown Error: STSService.dll" in RVTools is usually resolved by keeping the application updated and ensuring proper .NET compatibility. By following these steps, you can restore functionality to this essential, free VMware management tool. If you can provide: you are currently running.
The STSService.dll component relates to the Security Token Service (STS) libraries used during authentication with VMware vCenter servers.
If your vCenter has disabled older TLS versions, your Windows workstation must be explicitly configured to use TLS 1.2 or higher for .NET applications (which RVTools relies on). Open the ( regedit ) on your Windows machine.