Unknown server tag 'AdminControls:CreateSiteTooltipBar'. when creating site after May 2017 Cumulative Update SharePoint 2013

After updating to the May 2017 CU for SharePoint 2013, I could no longer create site collections from Central Admin.

I received this error:
Unknown server tag 'AdminControls:CreateSiteTooltipBar'.

I made a backup copy of the createsite.aspx file location here:
C:\Program Files\Common Files\microsoft shared\Web Server Extensions\15\TEMPLATE\ADMIN

then I edited the file in place and removed the section from the bottom of the page:


This was in all my SharePoint farms but didn't cause an issue in all of them.

I reported the issue to Microsoft. I will post a permanent fix if one becomes available.

You may also use PowerShell New-SPsite to create sites as a work-around.


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