When you use Microsoft Test Manager 2015 Update 3 to connect Microsoft Team Foundation Server 2017 for the first time, you may experience out of memory exceptions that prevent you using the product. This is because there is a cache (based on the existing data from the server) that's built on the computer. The issue does not occur if the cache is already present, or you do the connection after the first time.
This issue occurs because the data from the server is loaded into the process memory space of Microsoft Test Manager that runs out of virtual address space. This causes the observed exceptions.
This hotfix makes sure that the Microsoft Test Manager process can use more virtual address space to resolve the issue.
The following hotfix is available for download from the Microsoft Download Center:
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
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To apply this update package, you must be running Microsoft Test Manager 2015 Update 3.
This update does not require you to restart your computer.
To use one of the hotfixes in this package, you don't have to make any changes to the registry.
This hotfix applies to Microsoft Test Manager 2015 Update 3.