How to Convert Item Type from Non versionable to Versionable

Question

Hello All.. 
 
 I have Item Type "A" which is not a versionable initially. Created around 1000 records for this item type and now I need to create revisions to this and edited Item type to "Versionable". While trying to edit item type, it gives error as below. 
 Support of "none" versioning discipline for items is not implemented. 
 Am surprised that, do Aras have no possiblity to change non version item type to versionable?? 
 
 Thanks & Regards, 
 Super A.

Christopher Gillis · Accepted Answer

Hi Super, 
 It is possible to convert a non-versioned ItemType to a versionable ItemType. When making a versionable ItemType, you must specify whether the ItemType will be versioned automatically or manually. This is set through the Discipline field which is required for versionable ItemTypes. 
 Typically, when you check the Versionable flag on the ItemType, this Discipline field becomes enabled. However, we're aware of an issue with 11.0 SP15 that prevents this field from being enabled on ItemTypes that have already been created. You can follow the steps below as a workaround for this issue. 
 
 Open the ItemType you wish to make versionable 
 Lock the ItemType 
 Check the Versionable box 
 Close the tab for the ItemType 
 Reopen the ItemType from the main grid
 
 You should see that the Discipline field is enabled when you reopen the ItemType

Chris 
 Christopher Gillis 
 Aras Labs Software Engineer

Patrick McCawley · Answer

Valid for v12 SP16 the following steps worked for me but are a bit painful. 
 1. Open the Itemtype you wish to make versionable 
 2. Click to Edit the ItemType 
 3. Check the Versionable Box 
 4. Open up the Developer Console and use the element selector to find the Discipline Textbox in the raw HTML. It will be called something like <input class="aras-filter-list__input aras-form-input"..../> two of the properties in that xml entry will be "readonly" and "disabled" 
 5. Click to edit the HTML and delete the entries: 
 readonly="" and disabled="" 
 from the xml block identifed. 
 6. Type in "Automatic" into the Discipline field in your normal browser. 
 7. Save the Itemtype. 
 
 Edit - below steps worked for me twice ?!? but never again so clearly something else was done.. 
 
 Open the ItemType you wish to make versionable 
 Click to Edit the ItemType 
 Check the Versionable box 
 Open the Revisions menu and in Versioning and re-select the Revisions of choice (in my case I left as Default) 
 Post step-4 the Disicipline box became editable and I was able to select Automatic 
 Save the ItemType.

How to Convert Item Type from Non versionable to Versionable

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