when making asp calls to IIS site, intermittently some of the calls (2 %) fails with below error-
Error code- 0x800700aa
http code- 500 Internal Server Error
Module- Isapi module.
Below is failed trace from FRT-
MODULE_SET_RESPONSE_ERROR_STATUS
ModuleName
IsapiModule
Notification
EXECUTE_REQUEST_HANDLER
HttpStatus
500
HttpReason
Internal Server Error
HttpSubStatus
0
ErrorCode
The requested resource is in use.
(0x800700aa)
Any clues and means to understand how to check what resource is in Use at the time of failures
Also the only way to get past this error is a IIS reset.