Time:        9:22:52 AM
User:        NT AUTHORITY\ANONYMOUS LOGON
Computer:    THE-F20B3C162B1
Description:
Successful Network Logon:
User Name:
Domain:
Logon ID:        (0x0,0xC193)
Logon Type:    3
Logon Process:    NtLmSsp
Authentication Package:    NTLM
Workstation Name:
Logon GUID:    -
Spam/Advertising/Phishing, and Scam Virus/Spyware/Malware danger Other Term of Use or Code of Conduct violation Hate Speech and Discrimination Suicide or self-injury Child exploitation or abuse Harassment is any behavior intended to disturb or upset a person or group of people. Threats include any threat of suicide, violence, or harm to another. Any content of an adult theme or inappropriate to a community web site. Any image, link, or discussion of nudity. Any behavior that is insulting, rude, vulgar, desecrating, or showing disrespect. Any behavior that appears to violate End user license agreements, including providing product keys or links to pirated software. Any image, link, or discussion related to child pornography, child nudity, or other child abuse or exploitation. Look at the thread in TechNet with a good explanation.
http://social.technet.microsoft.com/Forums/en-AU/winservergen/thread/1543fa72-b268-4506-b490-60c306c7a96d

Thanks

Spam/Advertising/Phishing, and Scam Virus/Spyware/Malware danger Other Term of Use or Code of Conduct violation Hate Speech and Discrimination Suicide or self-injury Child exploitation or abuse Harassment is any behavior intended to disturb or upset a person or group of people. Threats include any threat of suicide, violence, or harm to another. Any content of an adult theme or inappropriate to a community web site. Any image, link, or discussion of nudity. Any behavior that is insulting, rude, vulgar, desecrating, or showing disrespect. Any behavior that appears to violate End user license agreements, including providing product keys or links to pirated software. Any image, link, or discussion related to child pornography, child nudity, or other child abuse or exploitation.