All data channel requests fail after you upgrade to ePO 5.10.x.
Client agent fails to upload events to ePO.
All managed products using the data channel are affected, for example:
- Drive Encryption (DE)
- File and Removable Media Protection (FRP)
A wake-up call or
Run client task now task are affected.
All data channel communications are rejected.
The
Msvc_<computer_name>.log on the client records the following:
866 masvc(1848.2052) ahclient.Info: Network library rc = <1008>, Agent Handler reports response code <503>.
866 masvc(1848.2052) ahclient.Info: Agent Handler reports server busy. Response code 503.
The
Server.log (ePO or Remote Agent Handler) records the following when this request is received:
I #06332 NAIMSERV Received [MsgUpload] from <computer_name>:{1BEBF53A-0F42-11E9-28E1-0024D74A7EBC}
E #06332 MCUPLOAD SecureHttp.cpp(987): Failed to send HTTP request. Error=12175 (12175)
E #06332 NAIMSERV server.cpp(583): Failed to send request, err=0x80004005, HTTP status code=0
E #06332 NAIMSERV server.cpp(968): Error sending data channel message to application server
I #06332 NAIMSERV Processed [MsgUpload] from <computer_name>:{1BEBF53A-0F42-11E9-28E1-0024D74A7EBC} in 16ms
E #06332 NAIMSERV AgentServerCommHandler.cpp(691): Failed to process agent request
I #06332 MOD_EPO epo request processed, rc=503, session ID=101818, session time=31ms