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Known Sync Error Messages — Quick Reference

1 min read

A quick lookup of the sync/integration error messages most often reported to Telaeris Technical Support. Find your exact error text below and follow the link to the fix.

Error text (as it appears) Likely cause Article
Doors/readers show offline in Genetec Security Center after a completed sync CloudLink reader timeout set to 0 Genetec Doors Showing Offline After Sync
Failed to set Custom field for user: 0. [FieldName] field may not exist... Case-sensitive field name mismatch Custom Field / UDF Mapping Stopped Saving
The SELECT permission was denied on the object... SQL Server service-account permissions SQL “SELECT Permission Was Denied”
401 Unauthorized / Invalid Application ID (OnGuard) Expired/misassigned OnGuard partner license OnGuard 401 / Invalid Application ID
MSMQ / DataManagerEvent queue permission error Queue permissions reset after a Windows update or migration MSMQ Queue Permission Errors
System.ServiceModel.FaultException — "Too Many Connections" Duplicate/stale client sessions “Too Many Connections” Sync Error
System.AggregateException / TaskCanceledException, deserialization/formatter exceptions not matching anything above, especially right after a PACS upgrade or license renewal PACS API/version incompatibility (not customer-fixable) PACS API/Version Incompatibility

Don’t see your exact error text here? Start with Sync Failing or Doors Showing Offline? Start Here or contact the Telaeris Helpdesk with the full error text and your Data Manager sync log.