Customer configured's regular page task turned on the certificate verification function and found that Availability decreased, and "Application's certificate is invalid" Error accounted for a high proportion
Check the error message. The certificate is valid within the current time.
2. Instant Testing reappears, turn on Debug mode to see if it can be reproduced, and check the current time of the client machine (1) When Instant Testing recurs, it is found that the error is still reported (2) Check from Debug and find that Client Time is the current time and the client is normal. 3. Check the common characteristics of the error Probe It is found that the Probe reported in the error are all Probe of Windows 7. picture.png
The Windows 7 system is relatively old, and the old system has not been updated, so the certificate may not be updated, resulting in authentication failure!