Agile Central - TFS Connector: How can we find out the Ruby Gems version we are using?

Document ID : KB000108137
Last Modified Date : 27/07/2018
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Question:
We are having problems after upgrading the TFS Connector. We know it's using Ruby Gems. 
Which Ruby Gems are we using?
Answer:
To learn your current Ruby Gems version:

1. Open a command prompt window/terminal.
2. Browse to the folder where you are executing the TFS Connector.
3. Run the command: "gem list"

The output will list the components of your TFS Connector. 
rally_tfs_api (1.2.1)
rallyeif-tfs (4.8.0)
rallyeif-wrk (1.3.0)

When upgrading to a new TFS Connector version you do need to run the "Install Gems" executable that's provided with the connector. That will upgrade/update your Ruby Gems version to match the version supported by the connector-instance you're deploying.

After running "Install Gems" you can run the "gem list" command again and confirm the listed versions match those in the release notes provided by CA.
Additional Information:
Learn more on Ruby Gems: https://guides.rubygems.org/what-is-a-gem/