A subset of Platform customers experienced intermittent "504 Gateway Time-out" errors and degraded performance while accessing their Platform tenants. Notably, slower page load times were reported when navigating through web pages.
The issue was isolated to customers utilizing the Delinea Connector for secure integration between the Delinea Platform and their on-premises Active Directory (AD). Logs from the Delinea Connector indicated failures to connect to some domain controllers, with the following error:
ADEnvCache: Failed to cache connection to LDAP://{{customer’s domain controller}}: System.Runtime.InteropServices.COMException (0x8007203A): The server is not operational.
On April 2, 18:30 UTC, a new version (v6.2.382) of the Delinea Connector was released. This version introduced changes in how the connector discovers Active Directory topology, with the intent to better support selective domain controller usage.
However, this release introduced issues in AD environments where some domain controllers were unreachable. The new discovery method did not adequately handle these partial outages, causing:
Tenants with fully healthy and reachable domain controllers were not impacted.
For technical details and configuration steps, refer to our Support Article