The usual ‘unsupported’, ‘subject to change’ caveats and disclaimers apply.
But maybe useful for further development.
Output:
32bit-PS C:\tools> .\tasks.ps1
Exchange Journaling Task for W2K8R2AIO is Running
Exchange Journaling Task for W2K8R2AIO(Retrieval) is Running
Exchange Mailbox Archiving Task for W2K8R2AIO is Running
Exchange Mailbox Archiving Task for W2K8R2AIO(Retrieval) is Running
Exchange Provisioning Task for AIO.LOCAL is Running