Hi All, We have two historians that collect the same data. Recently we had a week of no collections by hist02 - which was not noticed. How can we get an alarm when the historian goes offline? PS - I will email GCS and if they have an answer post it. Thanks, Richard _______________________________________________________________________ This mailing list is neither sponsored nor endorsed by Invensys Process Systems (formerly The Foxboro Company). Use the info you obtain here at your own risks. Read http://www.thecassandraproject.org/disclaimer.html foxboro mailing list: //www.freelists.org/list/foxboro to subscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=join to unsubscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=leave