AVEVA Enterprise SCADA

AVEVA Enterprise SCADA 2025 Patch 2 release notes

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AVEVA Enterprise SCADA 2025 Patch 2 release notes

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Last UpdatedSep 18, 2026
7 minute read

The AVEVA Enterprise SCADA 2025 Patch 2 release is focused on reliability and stability. This update rolls up the hotfixes released since the AVEVA Enterprise SCADA 2025 Patch 1 release into a single, streamlined version for easier deployment and support.

The AVEVA Enterprise SCADA 2025 Patch 2 release notes describe the fixed issues and changes that we have made since the AVEVA Enterprise SCADA 2025 Patch 1 release.

Prerequisite software

Before installing AVEVA Enterprise SCADA 2025 Patch 2, ensure the following is already installed on the system:

AVEVA Enterprise SCADA 2025 Patch 1

Microsoft Installer (MSI)

Software prerequisite MSI files

To ensure a fully operational and supported system, the previously released product components (and all contents) for AVEVA Enterprise SCADA 2025 Patch 1 must be installed from the associated MSI files prior to applying this patch.

Notes: The MSI version numbers should match the versions listed in the table; however, version numbers may be higher if you have hotfixes installed.

For more information on previously released patches, refer to the applicable set of release notes. If you do not have access to the release notes, contact the AVEVA Knowledge & Support Center.

Product component (Microsoft Windows program name)	MSI file name	MSI version	Release version
AVEVA Enterprise SCADA ADE Client	ADE.Client.msi	10.4.0.504	AVEVA Enterprise SCADA 2025 Patch 1
AVEVA Enterprise SCADA Historical Datapump	Historical.datapump.msi	10.4.0.493
AVEVA Enterprise SCADA RealTime ADE	RealTime.ADE.msi	10.4.0.174
AVEVA Enterprise SCADA RealTime Displays	RealTime.ezXOS.msi	10.4.0.271
AVEVA Enterprise SCADA RealTime Service	RealTime.service.msi	10.4.0.1986
AVEVA Enterprise SCADA Applications VirtualRTU Player	Applications.VirtualRTU.Player.msi	10.4.0.323
AVEVA Enterprise SCADA OPC DA Server	OPC.DAServer.msi	10.4.0.841
AVEVA Enterprise SCADA SystemServices Common	SystemServices.Common.msi	10.4.0.722
AVEVA Enterprise SCADA Historical Displays	Historical.ezXOS.msi	10.4.0.148	AVEVA Enterprise SCADA 2025
AVEVA Enterprise SCADA Management of Change Orchestrator	ManagementOfChange.Orchestrator.msi	10.4.0.464	AVEVA Enterprise SCADA 2025

Software Patch MSI files included in this release

Product component (Microsoft Windows program name)	MSI file name	MSI version	Release version
AVEVA Enterprise SCADA ADE Client	ADE.Client.msi	10.4.0.519	AVEVA Enterprise SCADA 2025 Patch 2
AVEVA Enterprise SCADA Historical Datapump	Historical.datapump.msi	10.4.0.506
AVEVA Enterprise SCADA RealTime ADE	RealTime.ADE.msi	10.4.0.186
AVEVA Enterprise SCADA RealTime Displays	RealTime.ezXOS.msi	10.4.0.276
AVEVA Enterprise SCADA RealTime Service	RealTime.service.msi	10.4.0.2025
AVEVA Enterprise SCADA Applications VirtualRTU Player	Applications.VirtualRTU.Player.msi	10.4.0.341
AVEVA Enterprise SCADA OPC DA Server	OPC.DAServer.msi	10.4.0.851
AVEVA Enterprise SCADA SystemServices Common	SystemServices.Common.msi	10.4.0.731
AVEVA Enterprise SCADA Historical Displays	Historical.ezXOS.msi	10.4.0.172
AVEVA Enterprise SCADA Management of Change Orchestrator	ManagementOfChange.Orchestrator.msi	10.4.0.486

Pre-installation configuration

There are no pre-installation configuration requirements for this release.

Installation

To install AVEVA Enterprise SCADA 2025 Patch 2

Sign in to the computer as a member of the DNA Installers group.
Shut down all AVEVA Enterprise SCADA services.
Copy the 2025 Patch 2 MSI files to an accessible location on any computer running the MSI files listed under "Software Patch MSI files included in this release" in Prerequisite software.
Run the individual 2025 Patch 2 MSI files.
Apply the post-installation configuration procedures.

Post-installation configuration

Apply configuration changes to the affected products

Advanced Database Editor (ADE):

Sign in as a member of the DNA Installers group.
Start an elevated PowerShell session.
Run the following commands:

set-silo ADE

start-configtool.ps1

Config Tool opens.
Select Initial.
In the Features section, only select the following:
- ADE
- ADE Schema
Select Run.

RealTime:

Sign in as a member of the DNA Installers group.
Start an elevated PowerShell session.
Run the following commands:

set-silo Realtime

start-configtool.ps1

Config Tool opens.
Select Initial.
In the Features section, only select the following:
- OPC DA Server
- Service Framework
- SQL Engine
- Realtime Service
Select Run.

Common

Sign in as a member of the DNA Installers group.
Start an elevated PowerShell session.
Run the following commands:

set-silo Common

start-configtool.ps1

Config Tool opens.
Select Initial.
In the Features section, only select the following:
- Service Framework
- Common Service
Select Run.

Management of Change (MoC)

Sign in as a member of the DNA Installers group.
Start an elevated PowerShell session.
Run the following commands:

set-silo ManagementOfChange

start-configtool.ps1

Config Tool opens.
Select Initial.
In the Features section, only select the following:
- MOCOrchestrator
Select Run.

Shared

Sign in as a member of the DNA Installers group.
Start an elevated PowerShell session.
Run the following commands:

set-silo Shared

start-configtool.ps1

Config Tool opens.
Select Initial.
In the Features section, only select the following:
- ezXOS (Elements)
Select Run.

Update easy eXtended Operator Station (ezXOS) elements in the data root

The following procedure details how to update ezXOS elements in the data directory (that is, %DNADataRoot%) on either the display source or the Display Edit Station (DES).

Sign in as a member of DNA Display Editors and DNA Display Users.
On the desktop, right-click the Windows Powershell for DNA shortcut, and select Run as administrator.

Windows PowerShell for DNA opens.
Run the following commands:

set-silo ezXOS

HMIDisplayEnvironmentTool.exe

The HMI Display Environment Tool opens and performs the following operations in sequence without any user interaction:
1. Migrates displays to the latest version (migratedsp.exe)
2. Initializes the edit database (loadeditdb.exe)
3. Converts DXF files to XEM files (convertdsp.exe)
4. Initializes the runtime database (xosloaddb.exe)
For further information on this tool, refer to "Prepare HMI displays and graphics database" in the AVEVA Enterprise SCADA HMI Installer documentation.
Prior to opening eXtended Editor (XE) as a new user, proceed as follows:
1. On the desktop, double-click the Windows Powershell for DNA shortcut.
  
  Windows PowerShell for DNA opens.
2. Run the following commands:
  
  set-silo ezXOS
LoadEditDB

Fixed issues

The following issues were fixed.

ID	Description
Case–N/A (Defect–4803932)	This defect fix addresses an issue where, when the Controller opened the Point Verification Control dialog, the system displayed the following error: Cannot convert an object of type 'OASySDNA.XOS.MTPGrfxModel' to type 'System.Collections.Generic.Dictionary' Important: The CNTL_VERIFICATION.XEM display was modified as part of this fix.
Case–N/A (Defect–5003510)	This defect fix addresses an issue where invalid log messages related to "lock word lock" were being held by a dead process (process ID 0).
Case–962729374 (Defect–4558689)	This defect fix addresses an issue where Administrators were unable to edit existing records in the Pivot and Transfer feature.
Case–962754859 (Defect–4670662)	This defect fix addresses an issue where the Collect process silently stopped sending data for a 12-hour period.
Case–962772081 (Defect–4719535)	This defect fix addresses an issue where setting the Top of Day (HH:00) field in the groupTOD Row Edit dialog in the Advanced Database Editor (ADE) to 02:00 was affected by the Daylight Savings Time (DST) change on March 8, 2026.
Case–962800796 (Defect–4773768)	This defect fix addresses an issue where the system generated flow total Hi/Lo alarm events even though the generation of events was inhibited.
Case–962831293 (Defect–4819175)	This defect fix addresses an issue where the Email Alarm Notification feature generated duplicate alertAudit records on non-owning systems.
Case–962850224 (Defect–4854497)	This defect fix addresses an issue where an attempt to build the libDPXMLFile library to extract data from Microsoft SQL Server (MSSQL) into an XML file did not succeed and resulted in an exception.
Case–962852821 (Defect–4871795)	This defect fix addresses an issue where the ADE Message Set search field did not filter records in tree view.
Case–962854366 (Defect–4911670)	This defect fix addresses an issue where the VirtualRTU simulated remote for Allen-Bradley Common Industrial Protocol (ABCIP) models unexpectedly entered an ILLEGAL MESSAGE state.
Case–962865161 (Defect–4902113)	This defect fix addresses an issue where DPutil exited after reaching a limt of 100,000 rows.
Case–962897365 (Defect–4979968)	This defect fix addresses an issue where the system unparked parked alarms prior to the configured expiry time. Note: The maximum allowable time (in seconds) for which a Controller can park an alarm is 2,147,483,647 seconds (68 years). For further information, refer to "Alarm Parking" in volume 1 of the AVEVA Enterprise SCADA RealTime Administrator documentation. Important: As part of this fix, the CNTL_ALARM_PARKING.XEM display was modified.
Case–962876799 (User Story–4927479)	This user story involved enhancing the Connection Controller by optimizing the test poll commands. As part of this improvement, we have reduced the latency of test polls, which allows the system to validate connection health more efficiently and respond more quickly to connection state changes.
Case–962878024 (Defect–4969280)	This defect fix addresses an issue where VirtualRTU Player did not start due to an incorrect format error when using the 32-bit Stored Program Controller (SPS) 10.7 libraries.
Case–962885214 (Defect–5076030)	This defect fix addresses an issue where the system generated errors when a client was connected to the AVEVA Enterprise SCADA Open Platform Communications Data Access (OPCDA) server and the NoSystemName flag was set to True.
Case–962904748 (Defect–5055439)	This defect fix addresses an issue where the Periodic Heartbeat (HeartBeatMonitor) application stopped sending heartbeats, but the RealTime service continued to report a healthy status.
Case–962907638 (Defect–4979965)	This defect fix addresses an issue where Cmxrepsvr exited suddenly system-wide when an Administrator attempted to configure a group alarm override.
Case–962915645 (Defect–5024250)	This defect fix addresses an issue where ConfigTool did not complete after the installation of Microsoft KB5120708 and KB5120233.

Description

Case–N/A

(Defect–4803932)

This defect fix addresses an issue where, when the Controller opened the Point Verification Control dialog, the system displayed the following error:

Cannot convert an object of type 'OASySDNA.XOS.MTPGrfxModel' to type 'System.Collections.Generic.Dictionary'

Important: The CNTL_VERIFICATION.XEM display was modified as part of this fix.

Case–N/A

(Defect–5003510)

This defect fix addresses an issue where invalid log messages related to "lock word lock" were being held by a dead process (process ID 0).

Case–962729374

(Defect–4558689)

This defect fix addresses an issue where Administrators were unable to edit existing records in the Pivot and Transfer feature.

Case–962754859

(Defect–4670662)

This defect fix addresses an issue where the Collect process silently stopped sending data for a 12-hour period.

Case–962772081

(Defect–4719535)

This defect fix addresses an issue where setting the Top of Day (HH:00) field in the groupTOD Row Edit dialog in the Advanced Database Editor (ADE) to 02:00 was affected by the Daylight Savings Time (DST) change on March 8, 2026.

Case–962800796

(Defect–4773768)

This defect fix addresses an issue where the system generated flow total Hi/Lo alarm events even though the generation of events was inhibited.

Case–962831293

(Defect–4819175)

This defect fix addresses an issue where the Email Alarm Notification feature generated duplicate alertAudit records on non-owning systems.

Case–962850224

(Defect–4854497)

This defect fix addresses an issue where an attempt to build the libDPXMLFile library to extract data from Microsoft SQL Server (MSSQL) into an XML file did not succeed and resulted in an exception.

Case–962852821

(Defect–4871795)

This defect fix addresses an issue where the ADE Message Set search field did not filter records in tree view.

Case–962854366

(Defect–4911670)

This defect fix addresses an issue where the VirtualRTU simulated remote for Allen-Bradley Common Industrial Protocol (ABCIP) models unexpectedly entered an ILLEGAL MESSAGE state.

Case–962865161

(Defect–4902113)

This defect fix addresses an issue where DPutil exited after reaching a limt of 100,000 rows.

Case–962897365

(Defect–4979968)

This defect fix addresses an issue where the system unparked parked alarms prior to the configured expiry time.

Note: The maximum allowable time (in seconds) for which a Controller can park an alarm is 2,147,483,647 seconds (68 years). For further information, refer to "Alarm Parking" in volume 1 of the AVEVA Enterprise SCADA RealTime Administrator documentation.

Important: As part of this fix, the CNTL_ALARM_PARKING.XEM display was modified.

Case–962876799

(User Story–4927479)

This user story involved enhancing the Connection Controller by optimizing the test poll commands. As part of this improvement, we have reduced the latency of test polls, which allows the system to validate connection health more efficiently and respond more quickly to connection state changes.

Case–962878024

(Defect–4969280)

This defect fix addresses an issue where VirtualRTU Player did not start due to an incorrect format error when using the 32-bit Stored Program Controller (SPS) 10.7 libraries.

Case–962885214

(Defect–5076030)

This defect fix addresses an issue where the system generated errors when a client was connected to the AVEVA Enterprise SCADA Open Platform Communications Data Access (OPCDA) server and the NoSystemName flag was set to True.

Case–962904748

(Defect–5055439)

This defect fix addresses an issue where the Periodic Heartbeat (HeartBeatMonitor) application stopped sending heartbeats, but the RealTime service continued to report a healthy status.

Case–962907638

(Defect–4979965)

This defect fix addresses an issue where Cmxrepsvr exited suddenly system-wide when an Administrator attempted to configure a group alarm override.

Case–962915645

(Defect–5024250)

This defect fix addresses an issue where ConfigTool did not complete after the installation of Microsoft KB5120708 and KB5120233.

Known issues

There are no known issues for this release.

User documentation

For the AVEVA Enterprise SCADA 2025 Patch 2 release, only documentation that was directly affected by a defect fix is included. User documentation addendums are no longer included as part of patch deliverables.

If a document is not listed as updated in these notes, the existing AVEVA Enterprise SCADA documentation provided for previous releases of this stream is still applicable.

The following AVEVA Enterprise SCADA documents contain updates and are included with this patch:

AVEVA Enterprise SCADA Release Notes (this document) (PDF)
AVEVA Enterprise SCADA RealTime Administrator documentation, volume 1 (PDF)

The latest versions of all the documentation are available on the AVEVA Documentation Portal and on the AVEVA Knowledge & Support Center.

To view the AVEVA Enterprise SCADA user documentation on the AVEVA Documentation Portal, sign in using your AVEVA product-support credentials (the same ones used for the AVEVA Knowledge & Support Center).