It may be a corrupt message in the IMS queue in the IS.
There is a way to view the IMS queue & clear it. Check out:
Quote:> We have been running Exchange v. 5.5 on NT Terminal (successfully) for
> six months.
> Recently, the IMC and the Information Store service failed. We were
> able to restart the Information Store by completely removing the IMC.
> This at least re-enabled access to the Information Store database.
> However, upon re-installation of the IMC, the Information Service
> would fail again.
> The integrity check utilities, isinteg.exe and eseutil have been run
> and have not reported any problems.
> We have completely removed and reinstalled Exchange Server, and the
> problem persists. It strikes me that the Exchange de-installation
> program did not either remove all components and/or did not completely
> clean-up the registry after de-installation.
> Any insight on the cause and solution to the above would be greatly