When publishing a mosaic dataset as a cached map service, the cache may not be generated properly if the Maximum Size of Requests is set to a value less than 4096 x 4096. So, a higher value is recommended for an improved cache generation.
- Right-click the message and click Show Mosaic Dataset Properties Page.
- Change the number of rows and columns under Maximum Size of Requests to a value greater than 4096 for an improved cache.
Once you address the issue, click the Analyze button on the Service Editor dialog box to reanalyze the service.
See Mosaic dataset properties for more information.