RVTools requires .NET Framework 4.7.2 or later. If your Windows Server or Windows 10/11 workstation has multiple versions of .NET (e.g., 4.8 alongside 4.7.1) with conflicting policy files, the assembly loader might resolve stsservice.dll incorrectly.
RVTools is built on the . It uses standard Windows libraries for:
Do not panic. The error is annoying but almost always fixable. Follow these steps – each step builds on the previous one. Stop when RVTools works again. rvtools unknown error stsservice.dll
Before deep-diving, eliminate the obvious:
Note: This tricks .NET into not loading the real stsservice.dll. It is a hack, but works in some environments. RVTools requires
dependency while attempting to communicate with the vCenter Single Sign-On service. Devolutions Forum Error Summary Internal RVTools application component ( STSService.dll Most frequently reported during command-line automation or automated report extraction. Underlying Cause:
The "unknown error" related to STSService.dll in RVTools can occur due to various reasons, including: It uses standard Windows libraries for: Do not panic
At first glance, it seems absurd that a VMware reporting tool would touch a SharePoint DLL. However, the connection is indirect.
If you have exhausted all eight steps and RVTools still throws the stsservice.dll unknown error, consider temporary alternatives while you plan a full OS refresh: