Category Archives: Power BI Personal Gateway

Power BI and SSAS Multidimensional

Update: If you are here to learn how to browse your SSAS Multidimensional model in Power BI please refer to this article. The current article shows you how to refresh data on Power BI service on top of a SSAS Multidimensional instance based on data import scenario.

It’s been a while that lots of us are waiting for seeing improvements on Power BI and SSAS Multidimensional. The good news is that Microsoft released a new version of Power BI Personal Gateway last week on 3 Sep 2015. One of the new features added to this release is that we can now refresh an on-prem SSAS Multidimensional model (data import scenario) after we published it to Power BI website. But, what data import scenario means? That means we cannot create mashups with data we already have in an existing SSAS Multidimensional database/cube through the SQL Server Analysis Services connector which is available on Power BI website. So we need to connect to a SSAS multidimensional instance through Power BI Desktop and load the cube’s data into the Power BI model. Indeed we will create a relational model on top a multidimensional model from SSAS.

Then we can create reports and publish them to Power BI website and finally we’ll be able to schedule data refresh on the Power BI website.

We can also connect to a SSAS Multidimensional instance through Power Pivot AND/OR Power Query from Excel then load the Excel file into Power BI website.

Note: We can do the same through Power Query, but, we won’t able to setup a data refresh schedule on Power BI website if we didn’t load

It’s just awesome isn’t it?

In this post I show you how to implement all the data import scenarios using Power BI Desktop, Power Pivot and Power Query from Excel.

First of all you need to download the gateway from here. Then you need to uninstall the existing version of Power BI Personal Gateway from your machine and install the new version. The whole gateway installation and process of refreshing an on-prem SSAS database is pretty much the same as what I explained in this post so I leave the installation part to you.  However, I explain the data refresh part again.

SSAS Multidimensional Data Import Scenario Through Power BI Desktop:

Get Data

  • Open Power BI Desktop
  • Click Get Data
  • Select “SQL Server Analysis Services Database” from the list and click “Connect”

Power BI and SSAS Multidimensional 01

  • Enter the SQL Server Analysis Services instance name
  • The database name is optional, but, I put “AdventureWorksDW2012”
  • Click “Select items and get data from Multidimensional or Tabular model”
  • As you can see you can also put your MDX or DAX custom queries, but, we leave it blank in our sample
  • Click OK

Power BI and SSAS Multidimensional 02

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MySQL and Power BI, How Does It Work?

MySQL and Power BI

In this post I explain how to use MySQL and Power BI. This post covers the following areas:

  • Get data from MySQL
  • Schedule refresh on-premises MySQL from power BI web app

First of all I’d like to mention that in this post I use AdventureWorksDW which is imported into MySQL. If you want to do so you can use “Migration Wizard” from “Database” menu on MySQL Workbench.

MySQL and Power BI

I’m not going to explain the migration process as it’s out of scope.

How MySQL and Power BI work together

MySQL is one of the world’s most popular relational database management systems (RDBMS) widely used by the industry. It’s open source, works with many different system platforms including Microsoft Windows and Linux. So it is worth to have a look at it and see how it works with Power BI.

Luckily Microsoft provided the built-in connector in Power BI Desktop. This is how it works all together:

MySQL and Power BI

I’d like to say that it’s not necessary to create reports in Power BI Desktop. You can get data from a MySQL database then publish it to the Power BI cloud then setup a schedule data refresh in the Power BI web app. Then you can create your reports and dashboards on the cloud and share them with your colleagues very easily.

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Power BI Personal Gateway, Five Things You Must Know

When we are talking about using a new technology we need to understand it first. Power BI Personal Gateway is not an exception.  Despite you can easily install the Power BI Personal Gateway, knowing the following important points is crucial. I believe the following 5 points are significantly important to prevent you getting into troubles with the installation process as well as using the gateway:

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  • Power BI Personal Gateway is only available on 64-bit Windows operating systems
  • Once you install Power BI Personal Gateway you don’t need to install another one as just one gateway works for any number of supported data sources
  • You CANNOT install the Power BI Management Gateway on the same machine as Power BI Analysis Services Gateway
  • If you’re trying to install the Power BI Personal Gateway on a network having Active Directory make sure that the account you’re using to install the Power BI Personal Gateway is able to “Logon as a Service”. In some cases the “Logon as a Service” policy is prevented on Active Directory for security reasons. The “Log on as a Service” should be applied to those accounts that are NOT under an Active Directory. So even if you are using a Local Account you should make sure that the local account is added to the local security policy “Log on as a Service”. If the account used to install the Power BI Personal Gateway is banned from the “Log on as a Service” policy you’ll get “Service ‘Data Management Gateway Service’ (DIAHostService) failed to start. Verify that you have sufficient privileges to start system services.” error message.

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Refreshing On-Prem SQL Server Database on Power BI using Power BI Personal Gateway

image It’s been awhile that lots of us were waiting for this feature. And some of us like me just tried to build it in our way. I spent some time to develop something similar using OData in combination with IIS and Basic Authentication features. Well, it was sort of successful and unsuccessful simultaneously! I mean, I was able to refresh SQL Server data remotely, but, when it came down to refreshing the dataset uploaded into the cloud Power BI it just failed. It was mainly because of the method that Power BI uses to refresh data.

By the way, I’m glad to see that we are finally able to refresh an on-premises SQL Server database from Power BI website. Refreshing data is very crucial for every report and dashboard which is working on top of frequently changing database.  So we need to be able to schedule a data refresh on the cloud. Yesterday Microsoft announced a new gateway specially designed for supporting data refresh for on-premises data sources as below:

  • SQL Server
  • Oracle
  • Teradata
  • IBM DB2
  • PostgreSQL
  • Sybase
  • MySQL
  • SharePoint List
  • SQL Analysis Services Tabular model (uploaded data, not live connections)
  • File (CSV, XML, Text, Excel, Access)
  • Folder
  • Custom SQL/Native SQ

As you see SQL Server is not the only one.

Installing Power BI Personal Gateway

It’s easy to install the Gateway. Just make sure that meet the following requirements:

  • The machine that you’re going to install the Gateway on it should be always up and running
  • You can NOT install the Gateway on the same machine as a Power BI Analysis Services Connector

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