Hi Pratibha, UiPath Orchestrator is a very important component of this RPA tool. It is used for following tasks:
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Remotely controlling robots
 
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Sending Start commands to multiple robots
 
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Scheduling robots to perform specific processes
 
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Creating and maintaining the connection between Robots
 
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Correct delivery of the packages to Robots
 
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Helps in managing the queues
 
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Keeping track of the Robot identification
 
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Stores and indexes the logs to SQL or Elasticsearch