Added multi-line text column support

Added multi-line text column support and added the powershell test-connection port testing method.

Author: RichdiMSFT

powerapps-docs/developer/data-platform/dataverse-sql-query.md

@@ -75,8 +75,7 @@ You can use the **Analyze in Power BI** option (**Data** > **Tables** > **Analyz
 
 Any operation that attempts to modify data (that is, INSERT, UPDATE) will not work with this read-only SQL data connection. For a detailed list of supported SQL operations on the Dataverse endpoint, see [How Dataverse SQL differs from Transact-SQL](how-dataverse-sql-differs-from-transact-sql.md).
 
-The following Dataverse datatypes are not supported with the SQL connection: `binary`, `image`,
-`ntext`, `sql_variant`, `varbinary`, `virtual`, `HierarchyId`, `managedproperty`, `file`, `xml`, `partylist`, `timestamp`, `choices`.
+The following Dataverse datatypes are not supported with the SQL connection: `binary`, `image`, `sql_variant`, `varbinary`, `virtual`, `HierarchyId`, `managedproperty`, `file`, `xml`, `partylist`, `timestamp`, `choices`.
 
 > [!TIP]
 > `partylist` attributes can instead be queried by joining to the `activityparty` table as shown below.
@@ -100,6 +99,8 @@ Dataverse choice columns are represented as \<choice\>Name and \<choice\>Label i
 
 There is an 80-MB maximum size limit for query results returned from the Dataverse endpoint. Consider using data integration tools such as [Azure Synapse Link for Dataverse](../../maker/data-platform/export-to-data-lake.md) and [dataflows](/power-bi/transform-model/dataflows/dataflows-introduction-self-service) for large data queries that return over 80 MB of data. More information: [Importing and exporting data](../../maker/data-platform/import-export-data.md)
 
+To help limit size of the return size limit, use of multi-line text columns, and choice columns. 
+
 Dates returned in query results are formatted as Universal Time Coordinated (UTC). Previously, dates were returned in local time.
 
 Querying data using SQL does not trigger any plug-ins registered on the <xref:Microsoft.Xrm.Sdk.Messages.RetrieveMultipleRequest> or <xref:Microsoft.Xrm.Sdk.Messages.RetrieveRequest> messages. Any rewriting of the query or results that would normally be performed by such a plug-in will therefore not take effect for a SQL query.
@@ -141,9 +142,16 @@ A blocked port error may look something like the following.
 
 ![Error message.](media/TDS-SQL-blocked-port-error.png)
 
-The solution is to verify the TCP ports 1433 or 5558 from the client are unblocked. One possible method to do that is described below.
+The solution is to verify the TCP ports 1433 or 5558 from the client are unblocked. Use one of the following methods to do that is described below.
+
+#### Use PowerShell to validate connection with TDS endpoint
+
+1. Open a PowerShell command window.
+2. Run the Test-connection command. <br> `Test-NetConnection -ComputerName <environment>.crm.dynamics.com -port 1433`
+
+If the connection is successful a line "TcpTestSucceeded : True" will be returned.
 
-#### Establish a telnet session to the TDS service listener
+#### Establish a telnet session to the TDS endpoint
 
 1. On a Microsoft Windows computer, install/enable telnet.
     1. Choose **Start**.