Error Code 25 - Cannot connect on socket

Question

Hello All,&nbsp;I am having issue with one of the client that i am adding it first time in Backup.&nbsp;Master :- Win 2008 R2 ,NBU - 7.7.3Client :- win 2012 R2 , NBU - 7.7.3Bptestbpcd is failing from Master to client.Below are the list of troubleshooting that i did already.From Client:-bpclntcmd -clear_host_cache, blclntcmd -pn is giving master server name, bplclntcmd -hn &lt;master&gt; is working fine, bpclntcmd -ip &lt;master ip&gt; is working fine.Telnet to master server on bpcd ,pbx and vnetd is working fine.Telnet to client server&nbsp;on bpcd ,pbx and vnetd is working fine.Below is output of bptestbpcd from master to client&nbsp;C:\Program Files\Veritas\NetBackup\bin\admincmd&gt;bptestbpcd -client &lt;client name&gt; -verbose -debug20:51:18.452 [10220.9276] &lt;2&gt; bptestbpcd: VERBOSE = 020:51:18.452 [10220.9276] &lt;2&gt; read_client: dname=., offline=0, online_at=0 offline_at=0 offlineres=0 onlineres_at=0 offlineres_at=020:51:18.452 [10220.9276] &lt;2&gt; read_client: dname=.., offline=0, online_at=0 offline_at=0 offlineres=0 onlineres_at=0 offlineres_at=020:51:18.452 [10220.9276] &lt;2&gt; read_client: dname=COA_0, offline=0, online_at=0 offline_at=0 offlineres=0 onlineres_at=0 offlineres_at=020:51:18.468 [10220.9276] &lt;2&gt; read_client: dname=CO_0, offline=0, online_at=0 offline_at=0 offlineres=0 onlineres_at=0 offlineres_at=020:51:18.468 [10220.9276] &lt;2&gt; read_client: dname=host_info, offline=0, online_at=0 offline_at=0 offlineres=0 onlineres_at=0 offlineres_at=020:51:18.468 [10220.9276] &lt;2&gt; read_client: dname=OAA_0, offline=0, online_at=0 offline_at=0 offlineres=0 onlineres_at=0 offlineres_at=020:51:18.468 [10220.9276] &lt;2&gt; read_client: dname=OA_0, offline=0, online_at=0 offline_at=0 offlineres=0 onlineres_at=0 offlineres_at=020:51:28.499 [10220.9276] &lt;2&gt; vnet_pbxConnect: ../../libvlibs/vnet_pbx.c.654: pbxSetAddrEx/pbxConnectEx return error 0:The operation completed successfully.20:51:28.499 [10220.9276] &lt;8&gt; do_pbx_service: [vnet_connect.c:2231] vnet_pbxConnect() failed, status=18, errno=0, use_vnetd=0, cr-&gt;vcr_service=bpcd20:51:28.514 [10220.9276] &lt;8&gt; async_connect: [vnet_connect.c:1823] do_service failed 18 0x1220:51:47.453 [10220.9276] &lt;8&gt; vnet_pop_byte: [vnet.c:197] errno 10053 0x274520:51:47.453 [10220.9276] &lt;2&gt; vnet_pop_byte: vnet.c.199: 0: Function failed: 9 0x0000000920:51:47.453 [10220.9276] &lt;2&gt; vnet_pop_string: vnet.c.279: 0: Function failed: 90x0000000920:51:47.453 [10220.9276] &lt;2&gt; vnet_pop_signed: vnet.c.322: 0: Function failed: 90x0000000920:51:47.453 [10220.9276] &lt;2&gt; vnet_version_connect: vnet_vnetd.c.1700: 0: Function failed: 9 0x0000000920:51:47.453 [10220.9276] &lt;8&gt; do_vnetd_service: [vnet_connect.c:2097] vnet_version_connect failed 9 0x920:51:47.453 [10220.9276] &lt;8&gt; async_connect: [vnet_connect.c:1823] do_service failed 9 0x920:51:47.469 [10220.9276] &lt;2&gt; logconnections: BPCD CONNECT FROM 10.20.30.247.579TO 10.99.16.8.13782 fd = 48420:51:47.469 [10220.9276] &lt;8&gt; vnet_vnetd_push_ipaddr: [vnet_vnetd.c:1857] bptr[i] 10 0xa20:51:47.469 [10220.9276] &lt;8&gt; vnet_vnetd_push_ipaddr: [vnet_vnetd.c:1857] bptr[i] 20 0x1420:51:47.469 [10220.9276] &lt;8&gt; vnet_vnetd_push_ipaddr: [vnet_vnetd.c:1857] bptr[i] 30 0x1e20:51:47.469 [10220.9276] &lt;8&gt; vnet_vnetd_push_ipaddr: [vnet_vnetd.c:1857] bptr[i] 247 0xf720:52:06.407 [10220.9276] &lt;8&gt; vnet_pop_byte: [vnet.c:197] errno 10053 0x274520:52:06.407 [10220.9276] &lt;2&gt; vnet_pop_byte: vnet.c.199: 0: Function failed: 9 0x0000000920:52:06.407 [10220.9276] &lt;2&gt; vnet_pop_string: vnet.c.279: 0: Function failed: 90x0000000920:52:06.423 [10220.9276] &lt;2&gt; vnet_pop_signed: vnet.c.322: 0: Function failed: 90x0000000920:52:06.423 [10220.9276] &lt;2&gt; vnet_pop_status: vnet.c.400: 0: Function failed: 90x0000000920:52:06.423 [10220.9276] &lt;8&gt; vnet_begin_connect_back: [vnet_vnetd.c:631] status9 0x920:52:06.439 [10220.9276] &lt;2&gt; ConnectToBPCD: bpcd_connect_and_verify(client name) failed: 25&lt;16&gt;bptestbpcd main: Function ConnectToBPCD(client name) failed: 2520:52:06.439 [10220.9276] &lt;16&gt; bptestbpcd main: Function ConnectToBPCD(client name)failed: 25&lt;16&gt;bptestbpcd main: cannot connect on socket20:52:06.470 [10220.9276] &lt;16&gt; bptestbpcd main: cannot connect on socket&lt;2&gt;bptestbpcd: cannot connect on socket20:52:06.548 [10220.9276] &lt;2&gt; bptestbpcd: cannot connect on socket&lt;2&gt;bptestbpcd: EXIT status = 2520:52:06.563 [10220.9276] &lt;2&gt; bptestbpcd: EXIT status = 25cannot connect on socket&nbsp;

marianne · Answer

Have you also tried&nbsp;bplclntcmd -hn &lt;client-name&gt; and&nbsp;bpclntcmd -ip &lt;client-ip&gt; on the master?
Can you ping the client hostname?
Can you show us output of 'telnet&nbsp;client-name 1556' on the master?&nbsp;

nbu123 · Answer

Thanks for your response Marianne.bpclntcmd -hn &lt;client name&gt; and bpclntcmd -ip is working finr from master server.I am able to ping the client from master server.when i do the telnet &lt;client name&gt; 1556 from master in cmd prompt it didn't return any error message.Its just give me a blinking cursor.

marianne · Answer

nbu123&nbsp;wrote:
&nbsp;
when i do the telnet &lt;client name&gt; 1556 from master in cmd prompt it didn't return any error message.
Its just give me a blinking cursor.

So.... telnet did not connect, right?
Have you checked if Windows firewall is disabled on the client?

nbu123 · Answer

If i am not wrong when we get the blank cmdpromt screen it means that telnet to the port is connected.

marianne · Answer

If you believe that telnet managed to connect - can you run 'netstat -a' on the client to confirm?
You should see something like this:
TCP [::1]:1556 &lt;source&gt;:50912 ESTABLISHED TCP [::1]:50912 &lt;client-name&gt;:1556 ESTABLISHED
One more thing to check on the client - do you have bpcd log folder on the client?Is there any evidence of bptestbpcd connection attempts?

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Error Code 25 - Cannot connect on socket

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