Is This Content Helpful?
We're glad to know this article was helpful.
When a child version is created by a user with a dot/period (.) in the user name, the child version cannot be modified or deleted with the Geodatabase Administration tool.
There is no error message returned by the delete version operation, but the bug persists.
This is a known issue, please see the link to Bug NIM0892487 in the Related Information section below.
ArcGIS 10.1 SP1 for (Desktop, Engine, Server) SQL Server User Names With Special Characters Patch has been created to address this issue.