Two-factor authentication protecting Outlook Web Access and Office 365 portals can be bypassed-and the situation likely cannot be fixed, a researcher has disclosed. Enterprises running Exchange Server ...

I've been collecting any tidbits I could find from my contacts with access to the Office 15 Technical Preview bits which Microsoft began releasing to testers earlier this year. (Microsoft just this ...

Is there a way to allow users from two different NT 4.0 domains to access OWA? We have two account domains on the same network and Exchange and the IIS server hosting OWA are in Domain A and we would ...

It works fine in test environment. But NTLMcompatibilitylevel=5 (NTLMv2 only) breaks way too many things to be useful in the Real World(tm). Exchange 2000 POP3/IMAP access breaks, PocketPC can't ...

Microsoft has released emergency out-of-band security updates for all supported Microsoft Exchange versions that fix four zero-day vulnerabilities actively exploited in targeted attacks. These four ...