Merge pull request #199034 from v-ksreedevan/24May-replicationdisks

Added the correct number of disks

Author: PRMerger14

articles/migrate/migrate-replication-appliance.md

@@ -45,9 +45,8 @@ NIC type | VMXNET3 (if the appliance is a VMware VM)
  | **Hardware settings**
 CPU cores | 8
 RAM | 16 GB
-Number of disks | Three: The OS disk, process server cache disk, and retention drive.
+Number of disks | Two: The OS disk and the process server cache disk.
 Free disk space (cache) | 600 GB
-Free disk space (retention disk) | 600 GB
 **Software settings** |
 Operating system | Windows Server 2016 or Windows Server 2012 R2
 License | The appliance comes with a Windows Server 2016 evaluation license, which is valid for 180 days. <br>If the evaluation period is close to expiry, we recommend that you download and deploy a new appliance, or that you activate the operating system license of the appliance VM.