we are migrationg Active directory server 2008 R2 to windows server 2012.we have followed migration steps from linkhttp://www.msserverpro.com/migrating-active-directory-domain-controller-from-windows-server-2008-r2-to-windows-server-2012/ and we have done successfully. But from the step removing old DC we got error message of the directory service is missing mandatory configuration information and is unable to determine the ownership of floating single-master opertaion rolebelow is the screen shot after migration fsmo roles but I can not remove old DC its error message as is shown in below screenshot please help me in this ASAP. AS I stuck during migration in live environment.
↧