Connecting To Exchange 2013 Server By Using Outlook Client From a Windows XP Workstation May Result a Password Prompt

Wednesday, January 23, 2013

SymptomConnecting To Exchange 2013 Server By Using Outlook Client From a Windows XP Workstation May Result a Password Prompt.Suggested Workaround a. Review your organization Security & IT policy recommendation for “Network Security: LAN Manager authentication level” Domain Controller GPO settings.b. Consider to change the “Network Security: LAN Manager authentication level” Domain Controller GPO settings to “Send NTLM Response Only” (or to other less restricted settings).c. Change the “Network Security: LAN Manager authentication level” Domain Controller GPO in a lab environment and test the results.Note1: Following the nature of this change you should understand the implications of changing to...