Applicable Systems
WinCC
Symptoms
WinCC archive database reached capacity; historical data logging stopped; old data may need archiving/deletion.
Possible Causes
- Database file at maximum size
- No automatic data compression configured
- Database maintenance not performed
Troubleshooting Steps
- Step 1: Check archive database size in WinCC Archive Manager
Size below configured limit - Step 2: Review data retention settings (reduce if needed)
Retention period appropriate - Step 3: Archive old data to external storage
Archive completed successfully - Step 4: Configure automatic database compression
Compression enabled - Step 5: Restart data logging in WinCC
Logging resumed, no errors
How to Reset
Clear via WinCC Archive Manager after database maintenance.
Frequently Asked Questions
- Q: How to configure WinCC data retention?
In WinCC Archive Manager, set retention period per archive variable. Old data is automatically deleted. Typical: 30 days for high-res, 1 year for hourly aggregates.
Source: Siemens WinCC System Manual
Category: SCADA