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“The Pitfalls of Using External Data Sources with SQL Server 2019 CU19”

Blog Post Outline:

H2: External Data Sources Using Generic ODBC Connector Don’t Work After Installing SQL Server 2019 CU19

H3: Introduction

Paragraph 1: External data sources using generic ODBC connectors have been a popular choice for many businesses, as they provide a convenient way to access and store data. Unfortunately, after installing SQL Server 2019 CU19, these data sources have stopped working. In this article, we will discuss the root cause of this issue and provide a step-by-step guide on how to resolve it.

H3: What is the Cause of This Issue?

Paragraph 2: After researching the issue, Microsoft has identified that the root cause of this issue is a bug in the SQL Server 2019 CU19 installer. This bug prevents the ODBC driver from registering correctly, resulting in the data sources being unable to connect to the server.

H3: How to Resolve the Issue

Paragraph 3: Fortunately, resolving this issue is a relatively straightforward process. First, you will need to uninstall the SQL Server 2019 CU19 installer. After the uninstall is complete, you will then need to download and install the latest version of the ODBC driver. Once the driver is installed, you should be able to connect to the server.

Paragraph 4: If the installation of the ODBC driver fails, you may need to manually register the driver. To do this, you will need to open the command prompt as an administrator and type in the following command:

regsvr32 “C:\Program Files\Microsoft SQL Server\ODBC\ODBC Driver\odbcjt32.dll”

Paragraph 5: Once the driver is registered, you should be able to connect to the server. As a final step, you should check the version of the ODBC driver that is installed on the server. To do this, you will need to open the command prompt as an administrator and type in the following command:

reg query “HKLM\SOFTWARE\ODBC\ODBCINST.INI\ODBC Driver”

H3: Common Questions

Paragraph 6: Now that we have discussed the root cause of this issue and how to resolve it, let’s take a look at some of the most commonly asked questions related to this issue.

Q1: Is this issue only applicable to SQL Server 2019 CU19?
A1: No, this issue can also affect other versions of SQL Server.

Q2: Do I need to register the ODBC driver manually?
A2: If the installation of the driver fails, then you will need to register the driver manually.

Q3: Is there an easier way to check the version of the ODBC driver?
A3: Yes, you can use the “reg query” command to check the version of the driver.

Q4: Does this issue also affect other data sources?
A4: Yes, this issue can affect other data sources as well.

Q5: Is there a way to prevent this issue from occurring?
A5: Yes, you should always install the latest version of the ODBC driver before installing SQL Server.

H3: Conclusion

Paragraph 7: In this article, we have discussed the root cause of this issue and provided a step-by-step guide on how to resolve it. We have also answered some of the most commonly asked questions related to this issue. By following these steps, you should be able to successfully connect to the server and access your data.

Paragraph 8: We hope this article has been helpful in resolving this issue. If you have any further questions or comments, please feel free to leave them in the comments section below. Thank you for reading.

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