In Part 1 we covered the specifics of the -519 Jet_errLogSequenceEnd issue and the resolution. This post will answer questions about “when and how often Exchange issues the ESE 514 warning events?” detail.
How much time do I have? The key information you should focus on in the ESE 514 event is the current log generation. Have a look at our TechNet document that explains this event (you'll notice this is for Exchange version 8.0 aka. Exchange 2007; it functions the same way for Exchange 6.5 and 6.0 or Exchange 2003 and 2000 respectively): http://www.microsoft.com/technet/support/ee/transform.aspx?ProdName=Exchange&ProdVer=8.0&EvtID