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Issue with toolset unresolved

AmrElsayed

Hi,

I’m having an issue with Engineer’s Toolset on SolarWinds Platform 2026.2.2 (Windows Server 2022).

When launching Toolset from any node, I receive either:

HTTP 500 Internal Server Error
“Your session has been terminated”

The issue affects all nodes. The Toolset license is valid, SNMP credentials test successfully, and interfaces appear correctly under List Resources.

I have already:

Run the Configuration Wizard
Reinstalled SolarWinds/Toolset components
Checked IIS bindings and application pools
Tested with different browsers and a local admin account

The main SolarWinds web console works; the issue appears specific to Toolset.

Has anyone seen this issue? Which Toolset/IIS logs or backend service should I check to identify what is causing the HTTP 500 and session termination?

Thanks.

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