Added extra verification for configuring upstream server and proxy server. Vars can now be either Null or empty.
This Pull Request (PR) fixes the following issues
None
Task list
[x] Added an entry under the Unreleased section of the change log in the CHANGELOG.md.
Entry should say what was changed, and how that affects users (if applicable).
[x] Resource documentation added/updated in README.md.
[x] Resource parameter descriptions added/updated in README.md, schema.mof
and comment-based help.
[x] Comment-based help added/updated.
[x] Localization strings added/updated in all localization files as appropriate.
Pull Request (PR) description
Added extra verification for configuring upstream server and proxy server. Vars can now be either Null or empty.
This Pull Request (PR) fixes the following issues
None
Task list
This change is