Earlier versions of Analysis Services client libraries will retire on 30 June 2021

**Analysis Services client libraries** version 15.1.37.40 (MSOPLAP) and 18.7.0.1 (AMO and ADOMD), offers important security enhancements, so any applications that are still using earlier versions of the Analysis Services client libraries will not be supported after **30 June 2021.** Refer to the following table for additional details. | Client Lib | File Version | Product Version | | ---------- | -------------- | --------------- | | MSOLAP | 2018.151.37.40 | 15.1.37.40 | | AMO | 15.1.37.40 | 18.7.0.1 | | ADOMD | 15.1.37.40 | 18.7.0.1 | ## **Action required** To minimize risk and potential security vulnerabilities, please update your Analysis Services client libraries to version 15.1.37.40 (MSOLAP) and 18.7.0.1 (AMO and ADOMO) before **30 June 2021** **.** For more details about the Analysis Services client libraries, please reference the article [Analysis Services client libraries](https://docs.microsoft.com/en-us/analysis-services/client-libraries?view=asallproducts-allversions#download-the-latest) in the product documentation. **More information** If you have additional questions, get answers from community experts in [Microsoft Q&A](https://docs.microsoft.com/en-us/answers/topics/azure-analysis-services.html). If you have a support plan and you need technical help, create a [support request.](https://portal.azure.com/#blade/Microsoft%5FAzure%5FSupport/HelpAndSupportBlade/newsupportrequest) * Azure Analysis Services * Retirements * [ Azure Analysis Services](https://azure.microsoft.com/en-gb/products/analysis-services/)