SSDT Installation for VS2017 Team Explorer Fails

Question

I am attempting to install SSDT v15.6.0 into an existing Visual Studio Team Explorer 2017 instance. When I run the SSDT installer, I can select Visual Studio Team Explorer 2017

Answer 1

This is how I fixed it :

1. Run installer normally to the end and let it fail.
2. When it fails the window will have a link to the log file, open it.
3. In this log file, 1 or 2 lines before the error(Process returned error: 0x80131500) problem component location will be revealed, something like this:

[6748:674C][2020-07-29T09:44:03]i301: Applying execute package: ISVsix, action: Install, path: C:\ProgramData\Package Cache\15160B731819F56D87A626F9A2777550340022D7\VSIXBootstrapper.exe, arguments: '"C:\ProgramData\Package Cache\15160B731819F56D87A626F9A2777550340022D7\VSIXBootstrapper.exe" /q /admin /instanceIds:"5403e431" /logFile:"C:\Users\xxxx\AppData\Local\Temp\SsdtisSetup\Microsoft.DataTools.IntegrationServices_20200729093525_11_ISVsix.log" "payload\Microsoft.DataTools.IntegrationServices.vsix"

You have to combine location of the VSIXBootstrapper with vsix component location. In my case I had vsix file under C:\ProgramData\Package Cache\15160B731819F56D87A626F9A2777550340022D7\payload

4. Copy failing component(.vsix), in this case Microsoft.DataTools.IntegrationServices.vsix to some folder before it gets deleted. If it already got deleted then restart the installer and search for this component in parent folders.
5. Restart your computer. I was getting "Another installation running .." error before I did.
6. Go to the folder where you copied the failing component and install the .vsix manually. This time it should install normally.
7. Repeat step 1 but this time hoping it will work normally.

I hope this at least gets you in the right direction.