Altium 15 Licensing Issue with AIS

Modified by on Jun 6, 2021

I am having trouble connecting up to the Altium Infrastructure Server (AIS) License Server with AD versions before AD16. Error: "Cannot verify the status of the primary server... Client did not receive a reply from server..." I want to open a file that was created with an older version.

Applicable Versions: Legacy

Solution Details

First of all, the PCB files created by all versions of Altium use the same file format, so they are forward and backward compatible. New features like Advanced Layer Stack manager or unlimited PCB Mechanical Layers with Layer Types from AD20 may not be supported in older versions. When you open a PCB modified by a newer or older version, an html report will open describing any unsupported or converted features (if any.) If you want to try it out, you can have multiple versions installed at the same time, as they do not interfere with each other.
 
Second, your organization is using Altium Infrastructure Server (AIS) for your private license server. The Infrastructure Server can only be accessed by Altium Designer version 16.0 and above. If you find that you have complications opening your version 15 files with versions 16 and newer, you will need to install our legacy Private License Server (PLS)
 
We still support our legacy Private License Server (PSL) Download from here:
https://www.altium.com/documentation/other_installers#miscellaneous
 
Legacy Private License Server (PLS) Documentation (uses port 21001):
https://techdocs.altium.com/display/ADOH/Using+a+Private+Server+License#UsingaPrivateServerLicense
 
Legacy Private License Server (PLS) Configuring Users & Groups:
https://techdocs.altium.com/display/ADOH/Private+Server+Licenses+-+Configuring+Usage
 
Summary:
Legacy
32-bit
Can't use Roaming,
but supports redundancy with Primary and Secondary servers
Runs as a service - Altium Security Service
Free



This knowledge article has a comparison between Altium Infrastructure Server (AIS) and the legacy Private License Server (PLS):
Version not supported with private license server - Refresh PLS & AIS
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