When you are using a Milestone VMS with Sarix DIACAP cameras, you cannot use a colon in the password. Milestone does not accept colons. It does not matter if using ONVIF or Pelco referencing
Pelco Cameras, Pelco Video Management, Pelco Transmission & Power
Milestone VMS with Pelco Sarix cameras using DIACAP software.
Milestone does not accept colons in their passwords under any circumstance.
Use a password that does not contain a colon