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Hi,
Yes, this is correct. When the Business Central capacity is fully consumed, the client’s environment does not stop, but it will become slower, and creating new environments will no longer be allowed.
To address this, you can perform some troubleshooting steps to improve performance:
Performance Profiler – Use this tool to identify if the slowness is caused by a specific extension, object, or unnecessary code.
Check database table sizes – Review and monitor large tables that may be affecting performance.
Retention Policies – Apply retention policies for heavy Change Log entries or other large tables.
Delete unnecessary or expired documents – If compliant with regulations, remove obsolete or expired documents.
Purchase additional storage – If required, expanding storage capacity can help.
Backup and offload heavy data – If the issue persists due to Change Log entries or large volumes of ledger data, one alternative is to export a backup file from the Admin Center and restore it on a local SQL Server. This allows you to retain historical data for audit purposes while cleaning up Change Log entries and heavy tables in your main production environment.
Yes , going over the storage limit will slow down performance in production (job queues, posting, customizations) because BC starts throttling when capacity is exceeded. That’s why your sandbox feels much faster.
✅ Mark this as the verified answer if helpful.
When a BC SaaS tenant exceeds its allocated capacity, performance degradation is a known side effect, especially for job queues and custom extensions that rely on heavy data processing.
At 482 GB usage against a 452 GB limit, your client’s environment is technically over capacity. While BC won’t block transactions outright, it will throttle performance in subtle ways — slower query execution, delayed job queue cycles, and reduced responsiveness in custom logic. The sandbox comparison you shared is telling: 150 lines per minute vs. 10 in production is a clear signal of resource strain.
Here’s what you can do to mitigate the impact:
Helpful references: Managing Capacity – BC Top 10 Performance Issues with BC SaaS How to Manage Storage Capacity in D365 BC – Osmosys Application Insights for BC Performance If you find this helpful, feel free to mark this as the suggested or verified answer. Cheers Jeffrey
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