I'm doing some spring cleaning and would like to get rid of modules that are not being used.  There are many that are installed by default by DNN.  Several of which are collecting dust in the corners of our install.  Which of these are safe to get rid of?  I feel the need to ask this because I un-installed one of these modules not realizing how integral it was to the functioning of the system as a whole and it brought our site down (I won't say which module it was lest ye be tempted to laugh, lol) .  Would those of you with more knowledge of the ins and outs of the system be so kind as to place a YES or NO next to each module listed below to help the rest of us out?  I've started it out ... if I've mislabeled anything please forgive my neophyte-ness and correct my spreading of mis-information before it wreaks havoc ... much obliged:

 

Authentication - NO

Configuration Manager

Console

Dashboard

DDR Menu - NO

Device Preview Management

Digital Asset Management

Extensions - NO

Google Analytics

Host Settings - NO

HTML

Html Editor Management

Journal

Languages

Lists

Log Viewer

Member Directory

Message Center

Module Creator

Pages

Razor Host

Recycle Bin - NO

Registration

Scheduler - NO

Search Admin

Search Results

SecurityAnalyzer

Site Management - NO

Site Redirection Management

Site Wizard

Sitemap

Social Groups

SQL

Taxonomy Manager

Themes

Users and Roles - NO

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