Open alerts just require you to stop the threshold. Alerts requiring acknowledgement, you could create a custom threshold with a command destination. Pulling in the problem number and using that in the command destination and the acknowledge command should get those all acknowledged. It has been a while since I tested that approach but I believe this is how I have done it in the past.
Let me know if you get stuck on the custom threshold piece.
To add to Adam's response there is a .CMD file in the Knowledge->Command->Comand Store that you can issue too. You can technically create a clearing condition for multiple thresholds utilizing this in an analyst or a command line script. I do not have an example handy.. but this is what it does.
Acknowledge Problem Destination: Control Threshold Command: Ack problem #IRField0.#IRField1 analyst "#IRField2"
Ignore Destination: Automated Control Analyst Command: stop problem #IRField0 . #IRField1 analyst #IRField2
If you also execute these from within an analyst there I believe some additional commands and options built into analyst syntax.
They both effectively do the same thing though for your purpose and its mostly a matter of syntax to the different destinations.
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Christopher R Souser - Solution Architect – MSci. PA, CISSP, ITIL.
Thanks for the response. Where can I find some documentation on the items under Command Store. Right now I am looking for information on the first three which are around Acknowledging Dispatched Messages, Problem, & SNMP Traps. I ask as the Prompts in "Acknowledge Problem - Prompt Form" are not descriptive. All three prompts are labeled the same.