IEE fails to start with 'IFS application is busy initializing, cannot attach to it' right after a database and application server restart, even though other users can log in fine and the MWS servers are all confirmed running — what's the fix?

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Answer

This usually means a leftover IEE process from a previous session is still running in the background on your own machine, holding onto a stale connection attempt. Open Task Manager, end all IFS Enterprise Explorer-related processes, and retry launching IEE — clearing the cache alone (without also killing the stuck process) typically isn't enough to resolve this specific error.

Documentation-based answer. Confirm the product and release before applying it. This answer has not been verified in an IFS environment.

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