Do not try to back up or to use an antivirus scanner against drive M of an Exchange 2000 Server computer. If you do this, problems may occur with calendaring, such as disappearing appointment items, access to attachments and messages, damage to the...

Do not put files that are managed by extensible storage engine (ESENT or ESE) on a compressed drive. Placing a Microsoft Jet database on a compressed drive may cause write-through delays that can cause Jet database corruption.

Describes the methods that you can use to prepare and send samples of malware (such as viruses, spyware, worms, and adware) to Microsoft.