When Auto Upgrade performed from Endpoint Protection Manager (SEPM), some Endpoint Protection Client (SEP) have been upgraded to SEP 14 successfully while the rest clients failed.
SEP Client Sylink Debug log:
11:34:22=>HTTP REQUEST sent
<SendUrlAndReceiveResponse:>SMS return=469
<ParseHTTPStatusCode:>469=>469 CONTENT PENDING
<IndexHeartbeatProc>Agent Package Content pending - Accelerating Heartbeat..
SEPM scm-server.log(table switch):
11:40:11.819 THREAD 146 WARNING: Log table switched to: AGENT_TRAFFIC_LOG_1, old table estimated row count: 50322, to add row count in new table: 983, last switch time: 10:59:16
By checking SEPM folder (...\Program Files (x86)\Symantec\Symantec Endpoint Protection Manager\Inetpub\ClientPackages\#############\FULL), full Clientpackage file size is less than it should be (~80mb), but xdelta file size is a lot larger. SEPM server was not able to create delta upgrade package to SEP clients
CmdLine=/l*v "%TEMP%\SEP_INST.log" IDCENABLE=0
ProductName=Symantec Endpoint Protection
ProductCode={#############.EN_US}
ProductVersion=12.1.7061.6600
PackageName=Sep64.msi
PackageCode={#############.EN_US}