CRM 4.0 Login failes 'key expired'

Published 7/24/2008 by Henry in CRM
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On our CRM 4.0 Dev environment we experienced the following behaviour:
When opening CRM this message appeared:

The key specified to compute a hash value is expired, only active keys are valid.  Expired Key : CrmKey...

After searching on the machine I found that the Async service did not run, I started it and this solved the issue.

Henry Cordes
My thoughts exactly...