When I tried to make a 4th instance it locked it from starting and prevented ads from starting. Ads had an oddball error until I removed the 4th server instance.
Here is the error (sorry it wouldnt let me put a pastebin link in.)
[20:19:55] [System Info] : Starting AMPService version 1.8.1.2 (TITAN), built 10/06/2019 11:53
[20:19:55] [System Info] : Release spec: Release - built by CUBECODERS/BuildBot on CCL-DEV
[20:19:55] [GSMyAdmin Warning] : Current time zone is set to Eastern Standard Time - Servers should ideally be UTC to avoid time-zone related issues
[20:19:55] [System Info] : OS: Windows / x86_64
[20:19:55] [System Info] : CPU: AMD Ryzen 3 2200G with Radeon Vega Graphics (4C/4T)
[20:19:55] [System Info] : AMP Instance ID: b5220781-6696-4db7-87de-e186985c6419
[20:19:55] [System Info] : Checking for AMP updates...
[20:19:55] [Core Info] : Websockets are enabled.
[20:19:55] [GSMyAdmin Info] : Loaded ADSModule version 1.0.0.0 by CubeCoders Limited
[20:19:55] [GSMyAdmin Info] : Loaded FileManager version 1.0.0.0 by CubeCoders Limited
[20:19:55] [GSMyAdmin Info] : Loaded EmailSender version 1.0.0.0 by CubeCoders Limited
[20:19:55] [GSMyAdmin Info] : Loaded WebRequestPlugin version 1.0.0.0 by CubeCoders Limited
[20:19:55] [GSMyAdmin Info] : Loaded LocalFileBackupPlugin version 1.0.0.0 by CubeCoders Limited
[20:19:55] [GSMyAdmin Info] : ADSModule requests dependency InstanceManagerPlugin...
[20:19:56] [GSMyAdmin Info] : Loaded InstanceManagerPlugin version 1.0.0.0 by CubeCoders Limited
[20:19:56] [GSMyAdmin Info] : ADSModule requests dependency SystemUserManagerPlugin...
[20:19:56] [GSMyAdmin Info] : Loaded SystemUserManagerPlugin version 1.0.0.0 by CubeCoders Limited
[20:19:56] [GSMyAdmin Info] : Loaded steamcmdplugin version 1.0.0.0 by CubeCoders Limited
[20:19:56] [GSMyAdmin Info] : Plugin FileManager is already loaded. Skipping...
[20:19:56] [GSMyAdmin Info] : Webserver started on 0.0.0.0:3721
[20:19:56] [WebServer Warning] : RouterTimer@10Hz with 2 jobs started
[20:20:01] [System Error] : You cannot start instances you do not own as a non-root user. You are DESKTOP-TJF9G94$ and this instance belongs to NETWORK SERVICE.
[20:20:01] [System Error] : Unhandled Exception: This will be automatically reported to the AMP developers.
[20:20:01] [System Error] : [Error] --- Begin Exception Data ---
[Error] OS: Windows (x86_64/None)
[Error] Module: ADSModule, Version: AMPService 1.8.1.2
[Error] Release spec: Release - built by CUBECODERS/BuildBot on CCL-DEV
[Error] Instance ID: b5220781-6696-4db7-87de-e186985c6419
[Error] [0] (InvalidOperationException) : You cannot start instances you do not own as a non-root user.
[Error] at InstanceManagerPlugin.LocalInstanceManager.<startinstance>()
at ADSModule.ModuleMain.<startbootinstances>b__26_1>d.MoveNext()
[Error] --- End Exception Data ---
[Warning] Unsigned plugins are loaded, error report will not be submitted.
[Warning] Last error was raised less than 60 minutes ago, error report will not be submitted.
[20:20:01] [GSMyAdmin Info] : ####################################
[20:20:01] [GSMyAdmin Info] : # Self Diagnostics #
[20:20:01] [GSMyAdmin Info] : ####################################
[20:20:01] [GSMyAdmin Info] : AMP Diagnostics could not establish a solution for this exception.
[20:20:01] [System Error] : You cannot start instances you do not own as a non-root user. You are DESKTOP-TJF9G94$ and this instance belongs to NETWORK SERVICE.
[20:20:01] [System Error] : Unhandled Exception: This will be automatically reported to the AMP developers.
[20:20:01] [System Error] : [Error] --- Begin Exception Data ---
[Error] OS: Windows (x86_64/None)
[Error] Module: ADSModule, Version: AMPService 1.8.1.2
[Error] Release spec: Release - built by CUBECODERS/BuildBot on CCL-DEV
[Error] Instance ID: b5220781-6696-4db7-87de-e186985c6419
[Error] [0] (InvalidOperationException) : You cannot start instances you do not own as a non-root user.
[Error] at InstanceManagerPlugin.LocalInstanceManager.<startinstance>()
at ADSModule.ModuleMain.<startbootinstances>b__26_1>d.MoveNext()
[Error] --- End Exception Data ---
[Warning] Unsigned plugins are loaded, error report will not be submitted.
[Warning] Last error was raised less than 60 minutes ago, error report will not be submitted.
[20:20:01] [GSMyAdmin Info] : ####################################
[20:20:01] [GSMyAdmin Info] : # Self Diagnostics #
[20:20:01] [GSMyAdmin Info] : ####################################
[20:20:01] [GSMyAdmin Info] : AMP Diagnostics could not establish a solution for this exception.</startbootinstances></startinstance></startbootinstances></startinstance>