https://community.graphisoft.com/t5/Libraries-objects/Set-up-migration-from-AC15-to-AC17/m-p/269148#M4335 <DIV class="actalk-migrated-content"><T>How do I set up a migration from ac15 to 17? It's not the same as 19 so I have no idea how to do it.<BR /> Any help would be appreciated.</T></DIV> Wed, 21 Feb 2018 12:56:59 GMT JGoode 2018-02-21T12:56:59Z https://community.graphisoft.com/t5/Libraries-objects/Set-up-migration-from-AC15-to-AC17/m-p/269148#M4335 <DIV class="actalk-migrated-content"><T>How do I set up a migration from ac15 to 17? It's not the same as 19 so I have no idea how to do it.<BR /> Any help would be appreciated.</T></DIV> Wed, 21 Feb 2018 12:56:59 GMT https://community.graphisoft.com/t5/Libraries-objects/Set-up-migration-from-AC15-to-AC17/m-p/269148#M4335 JGoode 2018-02-21T12:56:59Z https://community.graphisoft.com/t5/Libraries-objects/Set-up-migration-from-AC15-to-AC17/m-p/269149#M4336 There is a pretty comprehensive guide in the reference manual.<BR /> <BR /> I think the biggest issue will be the new Building Materials.<BR /> They will be created automatically so there should be no real problem there.<BR /> The issue you will have with them is if you want to copy and paste from other files - the attribute index numbers may not match so you will find elements swapping building materials.<BR /> <BR /> But on the whole you should be able to just open the file and swap the library (consolidate or load the migration libraries as well).<BR /> <BR /> Barry. Thu, 22 Feb 2018 02:20:38 GMT https://community.graphisoft.com/t5/Libraries-objects/Set-up-migration-from-AC15-to-AC17/m-p/269149#M4336 Barry Kelly 2018-02-22T02:20:38Z