By default, the CygNet collector adds a bad offline value when the collector is started or when a tag is modified.
This topic describes how to disable this feature.
Procedure
Access the following registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Intellution,
Inc.\iHistorian\Services\CygNetCollector\<entry>
Add the WriteBadOfflineAtStartup (DWORD) DWORD, and set it to
0 to disable adding bad offline values.