PTC ソリューション インストーラが Windchill PDMLink で「2621440KB オブジェクト ヒープに十分なスペースを予約できませんでした」というエラーで失敗する

[java] Using input "" 
INFO   xx-xx-xxxx xx:xx:xx -      [java] Error occurred during initialization of VM 
INFO   xx-xx-xxxx xx:xx:xx -      [java] Could not reserve enough space for 2621440KB object heap 
INFO   xx-xx-xxxx xx:xx:xx -       [ant] Exiting D:\ptc\Windchill\bin\gwt.xml. 
INFO   xx-xx-xxxx xx:xx:xx -  
INFO   xx-xx-xxxx xx:xx:xx - BUILD FAILED 
INFO   xx-xx-xxxx xx:xx:xx - D:\ptc\Windchill\bin\installModules.xml:1118: The following error occurred while executing this line: 
INFO   xx-xx-xxxx xx:xx:xx - D:\ptc\Windchill\bin\gwt.xml:61: The following error occurred while executing this line: 
INFO   xx-xx-xxxx xx:xx:xx - D:\ptc\Windchill\bin\gwt.xml:85: The following error occurred while executing this line: 
INFO   xx-xx-xxxx xx:xx:xx - D:\ptc\Windchill\bin\gwt.xml:174: Java returned: 1 
INFO   xx-xx-xxxx xx:xx:xx - 	at org.apache.tools.ant.ProjectHelper.addLocationToBuildException(ProjectHelper.java:577) 
INFO   xx-xx-xxxx xx:xx:xx - 	at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:440) 
INFO   xx-xx-xxxx xx:xx:xx - 	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292) 
INFO   xx-xx-xxxx xx:xx:xx - 	at jdk.internal.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) 
INFO   xx-xx-xxxx xx:xx:xx - 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
INFO   xx-xx-xxxx xx:xx:xx - 	at java.base/java.lang.reflect.Method.invoke(Method.java:566) 
INFO   xx-xx-xxxx xx:xx:xx - 	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)