Like the title of this discussion says: Upgrading to Spectrum 10.2.0 in fault tolerant environment could cause SpectroSERVER to crash.
If you have attempted to upgrade your primary SpectroSERVER to the 10.2.0 release while the secondary remains at it's current release, upon starting the primary SpectroSERVER it could crash.
At the core of the problem is an incompatibility of the new 10.2.0 alarm snooze functionality with pre-10.2.0 SpectroSERVERs.
We have patch PTF_10.2.003 to install on your primary SpectroSERVER after upgrading to 10.2.0 but before starting it. However, this patch has not yet been officially released and a knowledgebase doc has not yet been created - both are in progress.
If you want this patch please open a support case requesting it.
I will update this discussion thread as I get more information.
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Rene' Cantwell