Environment

OA, Operations Agent 12.26

OBM, Operations Bridge Manager  2022.11

Windows Server 2016 x64

Situation

After running the opcagt status command, it displays the error Failed to connect to the server. ConnectServer() returns Error code = 0x80070005.

Most of the agent processes are in stopped status.

C:\Windows\system32>opcagt
Failed to connect to the server. ConnectServer() returns Error code = 0x80070005

=============  (end of perfstat -p output) ===========

agtrep        OV Discovery Agent                AGENT,AgtRep          Stopped
bsmczedo      BSMC Zero Downtime Component      AGENT,IA              Stopped
hpsensor      Compute Sensor                    AGENT,OA              Stopped
oacore        Operations Agent Core             AGENT,OA              Stopped
ombacksync    OM Back Sync                      AGENT,IA              Stopped
ompolparm     OM Parameter Handler              AGENT,EA              Stopped
opcacta       OVO Action Agent                  AGENT,EA              Stopped
opccfgfile    OVO configfile Agent              AGENT,EA              Stopped
opcgeni       Generic Source Interceptor        AGENT,EA              Stopped
opcle         OVO Logfile Encapsulator          AGENT,EA              Stopped
opcmona       OVO Monitor Agent                 AGENT,EA              Stopped
opcmsga       OVO Message Agent                 AGENT,EA              Stopped
opcmsgi       OVO Message Interceptor           AGENT,EA              Stopped
opctrapi      OVO SNMP Trap Interceptor         AGENT,EA              Stopped
opcwbemi      OVO WMI Interceptor               AGENT,EA              Stopped
ovbbccb       OV Communication Broker           CORE                  Starting
ovcd          OV Control                        CORE         (11584)  Running
ovconfd       OV Config and Deploy              COREXT                Stopped

Cause

The endpoint security application Falcon Sensor Crowdstrike was installed before running the OA Operation Agent upgrade, causing them to stop/disable the services.

Once Falcon Sensor Crowdstrike was disabled, the OA Operations processes started working.

For resolution please refer to the complete knowledge article.