How do to check vSphere history tasks

[as900w]

Check vSphere history tasks in Monitor\Tasks & Events\Tasks.

But, it has time limit.

How do I check earlier tas

[daphnissov]

You can use PowerCLI. If you're still not seeing it, it has been aged out of the database. This happens automatically.

[as900w]

What command should I use？

[MikeStoica]

Get-Task - PowerCLI System.Collections.Hashtable.ModuleName Help Reference

[mskupin]

You can export events to CSV file. in vSphere Client go to File -> Export -> Events

[as900w]

How do export events on the vSphere web client?

[mskupin]

Try this: Export Events Data in the vSphere Web Client