Error Description : ‘Could not find Default Administrator ‘Exchange administrator Group (FYDIBOHF23SPDLT)
To resolve this issue manually, follow these
- Click Start, click Run, type regedit in the Open box, and then click OK.
- Locate and then click the following registry subkey:
- In the details pane, right-click Watermark, and then click Delete.
- At the command prompt, type Setup.com /preparead to reinstall Exchange 2007