ISSUE
Client icon shows question mark in SCCM console with Client Yes
A number of client computers turn offline show question mark icon in SCCM console while they have sccm client installed actually.
CcmNotificationAgent.log –
07-07-2021 23:45:31.111 BgbAgent 6608 (0x19d0) Critical Battery: [FALSE] 07-07-2021 23:45:31.111 BgbAgent 6608 (0x19d0) Connection Standy: [FALSE] 07-07-2021 23:45:31.111 BgbAgent 6608 (0x19d0) Network allowed to use: [TRUE] 07-07-2021 23:45:31.111 BgbAgent 6608 (0x19d0) Access point is contosomp.com. (SSLEnabled = 0) 07-07-2021 23:45:31.111 BgbAgent 6608 (0x19d0) CRL Checking is Enabled. 07-07-2021 23:45:31.111 BgbAgent 6608 (0x19d0) Both TCP and http are enabled, let's try TCP connection first. 07-07-2021 23:45:31.111 BgbAgent 6608 (0x19d0) Connecting to server with IP: 10.221.108.12 Port: 10123 07-07-2021 23:45:31.127 BgbAgent 6608 (0x19d0) Handshake was successful 07-07-2021 23:45:31.127 BgbAgent 6608 (0x19d0) Pass verification on server certificate. 07-07-2021 23:45:31.142 BgbAgent 6608 (0x19d0) NetworkInfo: IPAddress 10.221.123.26,fe80::ecd4:75f7:bc84:8bf 07-07-2021 23:45:31.142 BgbAgent 6608 (0x19d0) NetworkInfo: IPSubnet 255.255.255.0,64 07-07-2021 23:45:31.142 BgbAgent 6608 (0x19d0) NetworkInfo: AccessMP contosomp.com 07-07-2021 23:45:31.142 BgbAgent 6608 (0x19d0) NetworkInfo: IsClientOnInternet 0 07-07-2021 23:45:31.142 BgbAgent 6608 (0x19d0) Sent all 429 byte(s) to server. 07-07-2021 23:45:31.142 BgbAgent 6608 (0x19d0) Update the timeout to 900 second(s) 07-07-2021 23:45:31.158 BgbAgent 6608 (0x19d0) Connection is reset 07-07-2021 23:45:31.158 BgbAgent 6608 (0x19d0) Failed to receive buffer from server with err=0x80090304. 07-07-2021 23:45:31.158 BgbAgent 6608 (0x19d0) Failed to signin bgb client with error = 80090304. 07-07-2021 23:46:31.169 BgbAgent 6608 (0x19d0) Connecting to server with IP: 10.221.108.12 Port: 10123 07-07-2021 23:46:31.169 BgbAgent 6608 (0x19d0) Handshake was successful 07-07-2021 23:46:31.169 BgbAgent 6608 (0x19d0) Pass verification on server certificate. 07-07-2021 23:46:31.184 BgbAgent 6608 (0x19d0) NetworkInfo: IPAddress 10.221.123.26,fe80::ecd4:75f7:bc84:8bf 07-07-2021 23:46:31.184 BgbAgent 6608 (0x19d0) NetworkInfo: IPSubnet 255.255.255.0,64 07-07-2021 23:46:31.184 BgbAgent 6608 (0x19d0) NetworkInfo: AccessMP contosomp.com 07-07-2021 23:46:31.184 BgbAgent 6608 (0x19d0) NetworkInfo: IsClientOnInternet 0 07-07-2021 23:46:31.184 BgbAgent 6608 (0x19d0) Sent all 429 byte(s) to server. 07-07-2021 23:46:31.200 BgbAgent 6608 (0x19d0) Connection is reset 07-07-2021 23:46:31.200 BgbAgent 6608 (0x19d0) Failed to receive buffer from server with err=0x80090304. 07-07-2021 23:46:31.200 BgbAgent 6608 (0x19d0) Failed to signin bgb client with error = 80090304. 07-07-2021 23:46:31.200 BgbAgent 6608 (0x19d0) Fallback to HTTP connection. 07-07-2021 23:46:31.200 BgbAgent 6608 (0x19d0) Client is not on internet 07-07-2021 23:46:31.200 BgbAgent 6608 (0x19d0) Client is not set to use any webproxy. 07-07-2021 23:46:31.200 BgbAgent 6608 (0x19d0) ccmhttp: Host=contosomp.com, Path=/bgb/handler.ashx?RequestType=LogIn, Port=80, Protocol=http, CcmTokenAuth=0, Flags=0x1, Options=0xe0 07-07-2021 23:46:31.200 BgbAgent 6608 (0x19d0) Created connection on port 80 07-07-2021 23:46:31.200 BgbAgent 6608 (0x19d0) Raising event: instance of CCM_CcmHttp_Status { ClientID = "GUID:A8CD789C-44CD-472B-8631-E685CE2A53D9"; DateTime = "20210707154631.200000+000"; HostName = "contosomp.com"; HRESULT = "0x00000000"; ProcessID = 6272; StatusCode = 0; ThreadID = 6608; }; 07-07-2021 23:46:31.200 BgbAgent 6608 (0x19d0) Successfully submitted event to the Status Agent. 07-07-2021 23:46:31.200 BgbAgent 6608 (0x19d0) Session ID size is 72 byte(s). 07-07-2021 23:46:31.200 BgbAgent 6608 (0x19d0) Session ID is 5129e3ed-25d4-439a-b409-90f39524c05e 07-07-2021 23:46:31.215 BgbAgent 6608 (0x19d0) NetworkInfo: IPAddress 10.221.123.26,fe80::ecd4:75f7:bc84:8bf 07-07-2021 23:46:31.215 BgbAgent 6608 (0x19d0) NetworkInfo: IPSubnet 255.255.255.0,64 07-07-2021 23:46:31.215 BgbAgent 6608 (0x19d0) NetworkInfo: AccessMP contosomp.com 07-07-2021 23:46:31.215 BgbAgent 6608 (0x19d0) NetworkInfo: IsClientOnInternet 0 07-07-2021 23:46:31.231 BgbAgent 6608 (0x19d0) Sending buffer size = 1002. 07-07-2021 23:46:31.231 BgbAgent 6608 (0x19d0) Client is not on internet 07-07-2021 23:46:31.231 BgbAgent 6608 (0x19d0) Client is not set to use any webproxy. 07-07-2021 23:46:31.231 BgbAgent 6608 (0x19d0) ccmhttp: Host=contosomp.com, Path=/bgb/handler.ashx?RequestType=Continue, Port=80, Protocol=http, CcmTokenAuth=0, Flags=0x1, Options=0xe0 07-07-2021 23:46:31.231 BgbAgent 6608 (0x19d0) Created connection on port 80 07-07-2021 23:46:31.231 BgbAgent 6608 (0x19d0) [CCMHTTP] ERROR: URL=http://contosomp.com/bgb/handler.ashx?RequestType=Continue, Port=80, Options=224, Code=0, Text=CCM_E_BAD_HTTP_STATUS_CODE 07-07-2021 23:46:31.231 BgbAgent 6608 (0x19d0) [CCMHTTP] ERROR INFO: StatusCode=990 StatusText=BGB Session Ended 07-07-2021 23:46:31.247 BgbAgent 6608 (0x19d0) Raising event: instance of CCM_CcmHttp_Status { ClientID = "GUID:A8CD789C-44CD-472B-8631-E685CE2A53D9"; DateTime = "20210707154631.247000+000"; HostName = "contosomp.com"; HRESULT = "0x87d0027e"; ProcessID = 6272; StatusCode = 990; ThreadID = 6608; }; 07-07-2021 23:46:31.247 BgbAgent 6608 (0x19d0) Successfully submitted event to the Status Agent. 07-07-2021 23:46:31.247 BgbAgent 6608 (0x19d0) Successfully queued event on HTTP/HTTPS failure for server 'contosomp.com'. 07-07-2021 23:46:31.247 BgbAgent 6608 (0x19d0) Failed to post continue request with error code 87d0027e. 07-07-2021 23:46:31.247 BgbAgent 6608 (0x19d0) Failed to signin bgb client with error = 87d0027e.
bgbserver.log –
07-13-2021 10:09:25.944 SMS_NOTIFICATION_SERVER 3316 (0xcf4) Failed to process SignIn message from client [::ffff:10.221.123.26]:52155.~~ 07-13-2021 10:09:25.989 SMS_NOTIFICATION_SERVER 3316 (0xcf4) ERROR: The message timestamp is older or newer than 1 hour. 2021-07-13T11:06:47Z~~ 07-13-2021 10:09:25.989 SMS_NOTIFICATION_SERVER 3316 (0xcf4) ERROR: The message body is invalid.~~ 07-13-2021 10:09:25.989 SMS_NOTIFICATION_SERVER 3316 (0xcf4) Failed to process SignIn message from client 10.221.123.26:52156.~~
REASON
The time between the client computer and the management point is greater than 1 hour
SOLUTION
Make sure the time between the client computer and the management point it reports to is less than 1 hour