Hello,
Can you please try if the following works better?
bash -c "sudo /root/utils/oc_dpm.sh 1800 1100 950"
Did not work either

9/4/20 6:49:58 PM.297 [008] [S][ManagedMiner#51 - 192.168.2.135] Executing batch commands as admin: bash -c "/root/utils/oc_dpm.sh 1800 1100 950"
9/4/20 6:49:58 PM.298 [008] [S]Set execution permission for: /root/.config/AwesomeMinerService/teamredminer-v0.7.9-linux_1/teamredminer-v0.7.9-linux/awesome.sh
9/4/20 6:49:58 PM.304 [008] [S][ManagedMiner#51 - 192.168.2.135] Sucessfully executed batch commands
In the Managed Miner Properties, please go to the Command Line section and uncheck "Execute batch commands with Administrator privileges". Can you please verify if this works better?