adding updated guidance regarding dedicated clusters

Author: axisc

articles/event-hubs/event-hubs-business-continuity-outages-disasters.md

@@ -39,6 +39,7 @@ Event Hubs supports **availability zones** in select Azure regions. Data (metada
 
 > [!NOTE]
 > Availability zones are enabled by default in supported regions.
+> 
 
 ### Geo-Disaster Recovery (Geo-DR)
 

articles/event-hubs/event-hubs-dedicated-overview.md

@@ -78,7 +78,9 @@ Approximately one CU in a self-serve scalable cluster provides *ingress capacity
 With self-serve scalable clusters, you can purchase up to 10 CUs for a cluster in the Azure portal. In contrast to traditional clusters, these clusters can be scaled incrementally with CUs ranging from 1 to 10. If you need a cluster larger than 10 CUs, you can [submit a support request](event-hubs-dedicated-cluster-create-portal.md#submit-a-support-request) to scale up your cluster after its creation.
 
 > [!IMPORTANT]
-> To create or scale an AZ-enabled self-serve cluster, you must [submit a support request](event-hubs-dedicated-cluster-create-portal.md#submit-a-support-request) requesting three CUs or greater. A three CU (or greater) self-serve cluster created via Portal is NOT AZ-enabled.
+> To enable Availability zones on a Event Hubs dedicated cluster, it must be provisioned with three or more CUs.
+>
+
 ### Legacy clusters
 
 Event Hubs dedicated clusters created before the availability of self-serve scalable clusters are referred to as legacy clusters.

articles/event-hubs/event-hubs-premium-overview.md

@@ -70,7 +70,7 @@ Event Hubs Standard, Premium, and Dedicated tiers offer [availability zones](../
 
 > [!IMPORTANT]
 > - Availability zone support is only available in [Azure regions with availability zones](../reliability/availability-zones-region-support.md).
-> - In certain regions, the Premium tier's support for availability zones is limited even though the region supports availability zones.
+>
 
 ## Premium vs. Dedicated tiers