Migration tool - version update

Author: sr-msft

articles/postgresql/TOC.yml

@@ -16,11 +16,11 @@
     items:
       - name: Single Server to Flexible Server migration (preview)
         items:
-          - name: Single to Flexible server migration (Preview) - Concepts
+          - name: Single to Flexible server migration tool (Preview) - Concepts
             href: migrate/concepts-single-to-flexible.md
-          - name: Single to Flexible server migration (Preview) - Migrate using portal
+          - name: Single to Flexible server migration tool (Preview) - Using portal
             href: migrate/how-to-migrate-single-to-flexible-portal.md
-          - name: Single to Flexible server migration (Preview)- Migrate using CLI
+          - name: Single to Flexible server migration tool (Preview)- Using CLI
             href: migrate/how-to-migrate-single-to-flexible-cli.md
           - name: Single to Flexible server migration (Preview) - Set up Azure AD app using portal
             href: migrate/how-to-set-up-azure-ad-app-portal.md

articles/postgresql/migrate/concepts-single-to-flexible.md

@@ -1,27 +1,40 @@
 ---
-title: "Migrate from Azure Database for PostgreSQL Single Server to Flexible Server - Concepts"
+title: "Migration tool - Azure Database for PostgreSQL Single Server to Flexible Server - Concepts"
 titleSuffix: Azure Database for PostgreSQL Flexible Server
 description: Concepts about migrating your Single server to Azure database for PostgreSQL Flexible server.
 author: shriram-muthukrishnan
 ms.author: shriramm
 ms.service: postgresql
 ms.topic: conceptual
-ms.date: 05/11/2022
+ms.date: 08/12/2022
 ms.custom: "mvc, references_regions"
 ---
 
-# Migrate from Azure Database for PostgreSQL Single Server to Flexible Server (preview)
+# Migration tool - Azure Database for PostgreSQL Single Server to Flexible Server (preview)
 
 [!INCLUDE[applies-to-postgres-single-flexible-server](../includes/applies-to-postgresql-single-flexible-server.md)]
 
 Azure Database for PostgreSQL Flexible Server provides zone-redundant high availability, control over price, and control over maintenance windows. You can use the available migration tool to move your databases from Single Server to Flexible Server. To understand the differences between the two deployment options, see [this comparison chart](../flexible-server/concepts-compare-single-server-flexible-server.md). 
 
-By using the migration tool, you can initiate migrations for multiple servers and databases in a repeatable way. The tool automates most of the migration steps to make the migration journey across Azure platforms as seamless as possible. The tool is free for customers.
+By using the single to flexible server migration tool, you can initiate migrations for multiple servers and databases in a repeatable way. The tool automates most of the migration steps to make the migration journey across Azure platforms as seamless as possible. The tool is free for customers.
 
 >[!NOTE]
-> The migration tool is in public preview.
->
-> Migration from Single Server to Flexible Server is enabled in preview in these regions: Central US, West US, South Central US, North Central US, East Asia, Switzerland North, Australia South East, UAE North, UK West and Canada East.
+> The migration tool is in public preview. Feature, functionality, and user interfaces are subject to change.
+
+## Recommended migration path
+
+The migration tool is agnostic of source and target PostgreSQL versions. Here are some guidelines. 
+
+|    Source (Single Server)        | Target (Flexible server) | Remarks |
+|:---------------|:-------------|:-----------------|
+| Postgres 9.5 (Retired) | Postgres 12 | You can even directly migrate to Postgres 14. Verify your application compatibility. |
+| Postgres 9.6 (Retired) | Postgres 12 | You can even directly migrate to Postgres 14. Verify your application compatibility. |
+| Postgres 10 (Retiring Nov'22) | Postgres 14 |  Verify your application compatibility. |
+| Postgres 11  | Postgres 14 | Verify your application compatibility. |
+| Postgres 11  | Postgres 11 | You can choose to migrate to the same version in Flexible Server. You can then upgrade to a higher version in Flexible Server |.
+
+>[!NOTE]
+> Migration initiation from Single Server is enabled in preview in these regions: Central US, West US, South Central US, North Central US, East Asia, Switzerland North, Australia South East, UAE North, UK West and Canada East. However, you can use the migration wizard from the Flexible Server side in all regions.
 
 ## Overview