New answers tagged auditing
Nk SP, I believe that LOGbinder for SharePoint will do this for you. It allows you manage the auditing in SP and if someone changes/disables your set audit policy, it will re-enable the audit policy to what you have set and then alert you that the policy was tampered with.
It's probably a GUID. If you want to see the user names you will need a 3rd party application. Check LOGbinder for SharePoint. They do all the lookups for you and resolve the user ids.
I figured out that there properties are disabled by design (really? lol). The values in the MachineIP column and in the MachineName column appear as NULL because of privacy concerns. By design, Windows SharePoint Services 3.0 works in this manner. I think is it possible to trace these information looking into IIS Logs. Auditing for a site collection in ...
It is most likely their ID that points to the User Information List where all site users are stored. Each user has an underlying numerical ID per site collection as each site collection stores its own copy of user data in the User Information List. It can be found at http://yoursp/managedpath/sitecollection/_catalogs/users/detail.aspx
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