Issue
When running the Setup Manager, it may crash at the "Ensure Variables" step.
Error Code
Reviewing InstallerTrace log in the %Temp%K2 Setup Log folder, the following error is present:
System.Configuration.ConfigurationErrorsException: The 'messageBus' start tag on line 407 position 4 does not match the end tag of 'system'. Line 413, position 4. (C:Program Files (x86)K2 blackpearlHost ServerBinK2HostServer.exe.config line 413) ---> System.Xml.XmlException: The 'messageBus' start tag on line 407 position 4 does not match the end tag of 'system'. Line 413, position 4.
Resolution
The issue is caused by an extra slash in start <system> tag of the K2HostServer.exe.config file located in the [Install Dir]Host ServerBin.
Remove the extra slash from ending of start <system> tag, and this will resolve the issue.
