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Tuesday, March 19, 2019

SSRS Migration from SQL Server 2008 R2 to SQL Server 2017

As you are aware SQL Server 2008 R2 Microsoft support coming close to a shutdown, now people are starting to move to higher versions. 

This client wants to move its 800+ SSRS from SQL Server 2008 R2. Followings are learnings from the exercise.

1. SQL Server 2017 SSRS does not come as a single bundle of SQL Server. This means that you need to install SSRS as a separate installation. 

2. Though there are several ways of SSRS upgrade, ReportsServer database backup and restore was chosen as the method. In this, it is important to note that ReportServerTemp database also needs to be restored along with the ReportServer. SSRS service should be stopped before the restoring and with the restart of SSRS, SSRS services are upgraded automatically. Also, subscriptions schedules will be created as well. 

Do you think, you have completed your work. NOPE. still, a few touches are needed.

3. Authentications will not be transferred as a security measure. Therefore, you need to configure all of your data sources. If you have not managed your data sources carefully like this client, you will be coping and pasting connection strings, user names and password for one million times. 

4. If you have set up subscriptions for reports then there are few more things to be done. In standard subscriptions with excel, in the SQL Server 2008 R2 it will be configured as Excel 2003. This will be moved to that new version as it is, but will not work. It has to be changed to Excel. 

5. If you think that it is a tedious task in standard subscription, hold on for a second. There is more to come. In the case of Data-Driven Subscription, all the Excel file types are changed to MHTL Archive. Well, something little difficult to understand but that is how it is 

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