Values in the system manager are flat lined. There are multiple lines of errors in the EPICS IOC of the following (screen shot attached): Error code 4: ~~~MYSTERY ERROR!!!~~~ Go Google "ADS return codes"! and Error code 1861: ~~~MYSTERY ERROR!!!~~~ Go Google "ADS return codes" Googling "ADS return codes" gives: 4 Insert mailbox error No ADS mailbox was available to process this message. Reduce the number of ADS calls (e.g ADS-Sum commands or Max Delay Parameter) 1861 timeout elapsed Check ADS routes of sender and receiver and your firewall setting