Informacje o wydaniu

The following sections list the release notes for publicly released versions of Altium On-Prem Enterprise Server 8.1.

While the Altium On-Prem Enterprise Server installer includes automated backup of your existing installation, it is always a good idea to make a pre-update backup of your data yourself - taking a redundancy copy off to one side, as it were. This provides additional safety should any unforeseen technical difficulties arise (see Backing up and Restoring Your Installation). It is advised to test out a new release of Altium On-Prem Enterprise Server on a different machine, before updating your production instance. Use of Virtual Machines can be invaluable in this respect.

In addition, please ensure that you refresh your Altium On-Prem Enterprise Server licensing. From the Admin – Licenses page of the Workspace browser interface, delete the existing Server/CAL licenses and then add fresh instances back in. This will ensure you have the latest licensing, incorporating any licensing-related feature changes.

Version 8.1.1

Build: 76 Date: 29 May 2026

New in Altium On-Prem Enterprise Server

43771 Introduced support for Windows Server 2025.
45617 Introduced support for PLM Initialization of a project from a multi-variant project template to reserve PLM ID numbers for each variant without the need to Release and Publish the project.
49360 Fixed an issue when installation failed if https binding in IIS has no correct certificate applied. A certificate selected in the Wizard or a self-signed certificate will be used for that binding.
49536 Added several improvements to the Altium On-Prem Enterprise Server Setup wizard.
50547 Improved visibility of incorrectly configured WebsiteDomain and Server settings in LocalVault.ini file.
51074 The Java runtime path is no longer passed when the Enterprise Server executes Teamcenter EDA client. You need to make sure that JAVA_HOME or TCEDA_JAVA_HOME is set to the correct Java runtime.
51137 Introduced support for the OAuth Provider’s audience parameter to enable including the aud claim in the issued token when setting up an SSO authorization for connection to a PLM system.
51389 A new 'Teamcenter EDA' region was added to the Admin - Settings - PLM Integration page. It contains settings for 'libraryName' and 'applicationName' that must match the configuration of the Teamcenter server. The new options are only visible when a Teamcenter PLM Addon license is added to the Enterprise Server. The old way of configuring these options through LocalVault.ini remains supported.
51645 Added several localization improvements.
51709 Fixed an issue preventing opening the 'My Profile' form when in the Admin section.
54638 Fixed an atom leak.
54644 ARK stability has been improved for setups with single ARK executor and setups with multiple parallel ARK executors have been made fully supported and reliable.
55493 A public link to the Advanced Topic documentation has been added to LocalVault.ini to help administrators to change settings related to the server address / hostname / port in accordance with system requirements.
55784 Fixed an issue in the Project page where it was not possible to sort projects by the Description field.
56503 User Agent reporting has been improved for inter-service communication in IIS logs.
56617 The Firebird database version has been upgraded to 3.0.13.
56629 An optimal Firebird configuration is now applied during installation.
56753 Introduced support for using Entra ID with non-email usernames when configuring SSO via OIDC/OAuth.
56796 Added a missing attribute to the edalib.xml file for support of part choices in Teamcenter 2406 and later versions.
57147 Fixed an issue causing the 'Something is wrong. Please try again in a few minutes...' message to appear when opening the Component view.
57531 Fixed a login error when the login page stayed open for more than 30 minutes.
57581 ElasticSearch has been patched by upgrading file log4j-slf4j-impl-2.11.1.jar to log4j-slf4j-impl-2.17.1.jar.
57791 The Part catalog AppPool is now 64-bit, and the OleDb provider now works correctly as a custom part source.
58062 Email notifications are no longer sent when project access permissions are removed.
58145 Prevented the browser from caching old versions of source files causing various issues for users of the browser interface after Enterprise Server upgrades.
58506 Significantly reduced (by approximately 1 GB) the size of the Enterprise Server installation executable.
58507 Most web services have been switched to 64-bit.
59446 Fixed an issue when multiple services could fail on startup during Enterprise Server installation with the error "The process cannot access the file 'C:\...\LocalVault.ini' because it is being used by another process" and block index rebuild.
60176 Improved performance of the avBackup tool.
60177 IIS compression modules are now being installed with the Enterprise Server.
60244 Fixed an issue where project release source could not be retrieved for projects with a large number of commits (Firebird error -901).
60496 Fixed an issue that affected Windchill integration when using SSO authentication in some setups.
60846 Database cleanup and trimming is now performed during the Enterprise Server update to increase database performance. When using the command line to update the Enterprise Server, the compacting step can be skipped by using the SkipDbCompact parameter.
60863 Fixed an issue preventing access to the Installation page of the browser interface.
60890 When testing the SSO connection, the confirmation message now displays the resulting user name.
60959 Fixed an issue that prevented saving changes in comment notification settings in the Web Viewer.
61134 Fixed errors reported in the browser console.
61147 Fixed an issue preventing import packages in Admin – Installations – Server Storage.
61449 Added the ability to change the SAML Entity ID to resolve the ambiguity between cloned instances.
61455 Fixed an issue with infinite project-component link count growth for large projects with missing components.
61528 Fixed an issue causing 'invalid URI scheme' being reported in logs and slowing down the Web Viewer.
61604 Fixed an issue where the Vault service did not delete item revision link parameters on item revision link removal.
61905 Added significant security and platform stability improvements.
62002 Increased performance of and decreased load on the server during LDAP synchronization. As a result, fixed an issue where users were not being added during LDAP synchronizations.
62450 Bundled runtimes have been upgraded to .NET 8.0.27 and .NET 10.0.8.
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