# Frequently Asked Questions

## Patch Connect Plus Editions, Purchase and Licensing

- What are the differences between Professional, Standard and Enterprise editions?
- How is Patch Connect Plus Licensed?
- How do I upgrade my license?

## Working of Patch Connect Plus

- What are the system requirements and pre-requisites for Patch Connect Plus?
- How to use Automated Deployment Rule for Patch Connect Plus updates?
- Do I need to purchase any database for running Patch Connect Plus?
- What happens during the publication of patches?
- Is there an option to expire published patches?
- How to add third-party catalogs in SCCM?
- How does Application Management work?
- What is the difference between Applications and Packages?
- Can I rollback application deployment using Application Management?
- What is included in Patch Connect Plus' Admin Tools?

## General

- When will Patch Connect Plus support a new update?
- What are the applications that are supported in Patch Connect Plus?
- What type of Certificates can be used for code-signing?
- Why should mail server settings be configured?
- Why should proxy be configured?
- Why should the certificates be imported to all client machines?
- Where should the Patch Connect Plus server be installed in case of a Central Administration Site server with multiple sites?
- How to migrate Patch Connect Plus server to a different computer?
- Which versions of SCCM does Patch Connect Plus support?
- Does Patch Connect Plus support Cloud Management Gateway (CMG) in SCCM?