multiple datastore selection in protection groups creation

Hello,

I don't understand why my create protection group checkbox is alone as I have 4 datastore to protect (see image below).

Any idea ?

vsphere 5.1u3

vcenter 5.1u3 (windows)

SRM 5.1.3

EMC recoverpoint 4.1SP1 P1

EMC VNX 5300 FCoE

recoverpoint SRA 2.2

Regards.

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