| Event Id | 2016 |
| Source | MSExchangeWeb |
| Description | "End of the data reached while looking for token" |
| Event Information | According to Microsoft: CAUSE: This problem may occur because the OWA virtual directory is configured with Microsoft Windows NT Challenge\Response (NTLM) authentication only. Resolution: To work around this problem, configure the OWA virtual directory to use Anonymous authentication in addition to NTLM authentication. |
| Reference Links | Error Message: "The Page Cannot Be Displayed" Adding an Attachment in Outlook Web Access or Internet Explorer 5 |
Catch threats immediately
We work side-by-side with you to rapidly detect cyberthreats
and thwart attacks before they cause damage.