You can change the name of an existing datastore.

1

In the vSphere Web Client navigator, select vCenter Inventory Lists > Datastores

2

Select the datastore to rename.

3

Select Rename from the right-click menu.

4

Type a new datastore name.

The vSphere Web Client enforces a 42 character limit for the datastore name.

The new name appears on all hosts that have access to the datastore.