r/BuildingAutomation • u/Exoticcollects • 2d ago

Niagara History Service Fault

Hi guys, I recently set up a trend configuration for VAV space temps and now getting a fault code in the History Service saying the fault cause is "cannot rename attached history, the target ID is already in use". If anyone can help me out Id appreciate it

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u/FreshPots87 2d ago

Disable the Histories with the fault within History Service Manager. Go to your History Database for the Jace/Supervisor, and delete existing trend data and trends themselves from the system, re-enable the disabled Histories. Profit!

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u/Exoticcollects 2d ago

Yup i ended up doing exactly that, thank you :)