Discovered today that I have been running 32-bit version of PRTG ever since I moved it to a 64-bit Windows Server 2012 R2 server and reinstalled it there.
I read in another thread that the installer actually installs a 32-bit version on a 64-bit OS if there is less than 6GB ram. Seems rather silly to use such a criteria for deciding to install 32/64bit, I was sure I was installing the 64-bit version. RAM is not an issue here, I can always give the virtual machine more RAM if that's necessary.
My installation has around 1500 sensors. Around 500 are WMI sensors, and I had hoped to reduce the number of crashes and pending tasks by moving to 64-bit. (right now the server is using 1.8 of 4.0GB RAM so it doesn't seem to be an issue)
So how do I fix this? Can I just increase RAM above 6GB, stop the services and reinstall(repair) using the 32/64-bit installer, trusting that it will keep the database and other settings intact? OR do I have to reinstall on a fresh server, manually moving the database?