RSM McGladrey, which operates one of the largest Microsoft Dynamics reselling businesses in the United States, is going to be rejoined to the traditional tax and accounting operations from which it grew. RSM McGladrey was part of McGladrey & Pullen, until Aug. 2, 1999 when H&R Block acquired it. Since then, RSM has operated with McGladrey & Pullen in what the parties termed an alternative practice structure. That always suggested the surgical separation was not a good idea and everyone knew it.