SYMPTOM:
The Strategy Service Manager 9.x does not reflect the correct number of licensed processors after new processors have been added or some were removed.
For example, consider a machine with 1 CPU which is using a license key allowing 2 CPUs. The Strategy Intelligence Server 9.x was configured and setup with the single CPU. At a later time a new CPU was added to the machine to take advantage of the second licensed CPU. However, the Strategy Service Manager 9.x only shows a single licensed processor as below:

NOTE: The Strategy Service Manager 9.x does reflect that there are two available processors.
Running an Audit Report on the machine shows that the Strategy Intelligence Server 9.x is only licensed for 1 CPU:

Checking the License Key confirms that the correct number of CPUs is coded into the key. For example:
2 Intelligence Server Enterprise MHz-Rated CPU no limit