Troubleshooting Tip: Updating ISDB when the 'Number of Entries' are zero

[Renante_Era]

Description	This article describes how to troubleshoot when the Policy & Object -> Internet Service Database number of entries is stuck at zero as shown below:
Scope	FortiGate
Solution	Confirm the internet-service database's current settings: show full system global | grep internet-service-database Update FortiGuard and confirm if that resolves the issue: diagnose debug reset diagnose debug application update -1 diagnose debug enable execute update-now Disable after around 5 minutes:  diagnose debug disable diagnose debug reset If the issue persists, try to temporarily set the internet-service database to full and rerun: 'exec update-now'. config system global     set internet-service-database full end execute update-now Undo the internet-service-database changes if the issue persists. config system global     unset internet-service-database end Refresh the ISDB: execute internet-service4 refresh If the device displayed an output similar to the following, then reboot the FortiGate and rerun 'exec internet-service4 refresh'. ... # execute internet-service4 refresh Internet Service IPv4 refresh start ... Start to initialize APP file. Start to initialize MAP file. Internet Service failed to refresh. ret=-6 (shared memory error) Related article: Technical Tip: How to solve an ISDB issues upon upgrade