Don’t put your credentials into the PowerCLI scripts! There is an option to store your credentials on the Host.

Instead of plain text connection like:

Connect-VIServer -Server vCenter.mydomain.org –User MyUser –Password “my favorite password”

Put your credentials into the store with:

New-VICredentialStoreItem -Host vCenter.mydomain.org –User MyUser –Password “my favorite password”

Once you stored this, you have to write only:

Connect-VIServer -Server vCenter.mydomain.org

Connect-VIServer check’s first the credential store and uses it 😉