JSI Tip 1726. Event 201, No licenses were available?

If your Exchange Server Event Viewer contains:

LicenseService, Event ID 201,
Error Description = No License was available for user <domain>\<account> using product MSExchangeIS

then you are out of Exchange CALs.

To correct the problem:

1. Buy additional Exchange CALs from JSI, Inc..

2. Start / Network Administration / Windows NT License Manager / Products View / MSExchangeIS

3. Press License / New License.

4. Enter the number of licenses purchased.

5. Click OK.

6. Check the box and press OK.

7. Shutdown and restart the server.