Cached Mode Clients
– Uncheck Download Shared Folders or Download Public Folder favorites
– Ensure that Client’s desktop search is only indexing offline files, not online services/mailbox
– Confirm that clients are using 1 copy of the OAB (not multiple) and/or are directly accessing the online GAL to a “closest” GC
Online Clients
– Do not allow desktop search to index the online mailbox
– Do not allow File-level antivirus to scan the mailbox
– Do not integrate desktop applications with the mailbox (ex: BES, Adobe, etc)
All Outlook Clients
– Be sure that clients are running tested and approved versions of Outlook. Try to keep them current
– Disable unused Outlook add-ins
– Do not use the To-Do bar
– Disable Planner Options (for most resources)
– Do not store OST/PST files on a network share
– Use TCPView to randomly check that clients are connecting to the correct servers using the expected protocols (TCP vs HTTP)
– Request users to close other user’s folder connections when they are no longer needed. Many people will share a folder/calendar and never release it from their client
– Turn off/disable unused or unpopular features (ex: journaling, RSS feeds, Sharepoint integration, Internet calendars, etc)
