5.1.4 Database environment Both the ITLM Administration server and ITLM Runtime server rely on a database infrastructure to store license and software monitoring data. The ITLM Catalog Manager accesses the ITLM Administration server database directly to perform software catalog maintenance tasks. IBM Tivoli License Manager V2.2 supports IBM DB2 UDB Enterprise Server Edition server V8.2. This prerequisite application is shipped with IBM Tivoli License Manager V2.2 with restricted-use licenses that allow it to be used only in association with the use of IBM Tivoli License Manager. The licenses also authorize downloading, installing, and using any fixes issued for the product. Estimate the minimum database size as 500 MB for the ITLM Administration server database and 200 MB for the ITLM Runtime server database, plus a quota for each ITLM Agent that is deployed. For the ITLM Administration server database, estimate the quota as 400 to 500 KB for each ITLM Agent. For each ITLM Runtime server database, estimate the quota as 300 to 400 KB of disk space for each ITLM Agent that reports to the ITLM Runtime server. For large environments, the recommendation for the installation of the database server for the IBM Tivoli License Manager server components is as follows: The ITLM Administration server database and the ITLM Administration server