ST won't start after server re-boot

Hi, ST has been running on my Windows 2012 R2 server reliably for many months, but after last Windows Update a couple of days ago ST won’t restart and stays Disconnected.

Not sure where to start, sorry. This is the log when I try to start it manually in a command prompt:

Any help would be appreciated.

[PBL5M] 10:05:30 INFO: Ready to synchronize “Default Folder” (default) (readwrit e) [PBL5M] 10:05:30 INFO: Ready to synchronize “SQL Backups” (yb76h-ijmbz) (readonl y) [PBL5M] 10:05:30 INFO: Ready to synchronize “WWW Root” (i2hyx-cckdk) (readonly) [PBL5M] 10:05:30 INFO: Send rate is unlimited, receive rate is unlimited [PBL5M] 10:05:30 INFO: Rate limits do not apply to LAN connections [PBL5M] 10:05:30 INFO: Using discovery server discovery-v4-2.syncthing.n et/v2/?id=DVU36WY-H3LVZHW-E6LLFRE-YAFN5EL-HILWRYP-OC2M47J-Z4PE62Y-ADIBDQC [PBL5M] 10:05:30 INFO: Using discovery server discovery-v4-3.syncthing.n et/v2/?id=VK6HNJ3-VVMM66S-HRVWSCR-IXEHL2H-U4AQ4MW-UCPQBWX-J2L2UBK-NVZRDQZ [PBL5M] 10:05:30 INFO: Using discovery server discovery-v4-4.syncthing.n et/v2/?id=LYXKCHX-VI3NYZR-ALCJBHF-WMZYSPK-QG6QJA3-MPFYMSO-U56GTUK-NA2MIAW [PBL5M] 10:05:30 INFO: Using discovery server discovery-v6-2.syncthing.n et/v2/?id=DVU36WY-H3LVZHW-E6LLFRE-YAFN5EL-HILWRYP-OC2M47J-Z4PE62Y-ADIBDQC [PBL5M] 10:05:30 INFO: Using discovery server discovery-v6-3.syncthing.n et/v2/?id=VK6HNJ3-VVMM66S-HRVWSCR-IXEHL2H-U4AQ4MW-UCPQBWX-J2L2UBK-NVZRDQZ [PBL5M] 10:05:30 INFO: Relay listener (dynamic+relays.syncthing.net/endp oint) starting [PBL5M] 10:05:30 INFO: Listen (BEP/tcp): listen tcp 0.0.0.0:22000: bind: Only on e usage of each socket address (protocol/network address/port) is normally permi tted. [PBL5M] 10:05:30 INFO: c.S.listenerSupervisor: Failed service ‘tcp://0.0.0.0:220 00’ (1.000000 failures of 2.000000), restarting: true, error: “{tcp://0.0.0.0:22 000 tcp://0.0.0.0:22000} returned unexpectedly”, stacktrace: [unknown stack trac e] [PBL5M] 10:05:30 INFO: Listen (BEP/tcp): listen tcp 0.0.0.0:22000: bind: Only on e usage of each socket address (protocol/network address/port) is normally permi tted. [PBL5M] 10:05:30 INFO: c.S.listenerSupervisor: Failed service ‘tcp://0.0.0.0:220 00’ (1.999977 failures of 2.000000), restarting: true, error: “{tcp://0.0.0.0:22 000 tcp://0.0.0.0:22000} returned unexpectedly”, stacktrace: [unknown stack trac e] [PBL5M] 10:05:30 INFO: Listen (BEP/tcp): listen tcp 0.0.0.0:22000: bind: Only on e usage of each socket address (protocol/network address/port) is normally permi tted. [PBL5M] 10:05:30 INFO: Entering the backoff state. [PBL5M] 10:05:30 INFO: c.S.listenerSupervisor: Failed service ‘tcp://0.0.0.0:220 00’ (2.999977 failures of 2.000000), restarting: false, error: “{tcp://0.0.0.0:2 2000 tcp://0.0.0.0:22000} returned unexpectedly”, stacktrace: [unknown stack tra ce] [PBL5M] 10:05:30 INFO: Listen (BEP/kcp): listen udp 0.0.0.0:22020: bind: Only on e usage of each socket address (protocol/network address/port) is normally permi tted. [PBL5M] 10:05:30 INFO: Entering the backoff state. [PBL5M] 10:05:30 INFO: c.S.listenerSupervisor: Failed service ‘kcp://0.0.0.0:220 20’ (3.999977 failures of 2.000000), restarting: false, error: “{kcp://0.0.0.0:2 2020 kcp://0.0.0.0:22020} returned unexpectedly”, stacktrace: [unknown stack tra ce] [PBL5M] 10:05:30 INFO: Completed initial scan of readwrite folder “Default Folde r” (default) [PBL5M] 10:05:30 INFO: Completed initial scan of readonly folder “SQL Backups” ( yb76h-ijmbz) [PBL5M] 10:05:33 INFO: Using discovery server discovery-v6-4.syncthing.n et/v2/?id=LYXKCHX-VI3NYZR-ALCJBHF-WMZYSPK-QG6QJA3-MPFYMSO-U56GTUK-NA2MIAW [PBL5M] 10:05:33 FATAL: Starting API/GUI: listen tcp 127.0.0.1:8384: bind: Only one usage of each socket address (protocol/network address/port) is normally per mitted. [monitor] 10:05:33 INFO: Syncthing exited: exit status 1

[PBL5M] 10:05:30 INFO: Ready to synchronize "Default Folder" (default) (readwrit
e)
[PBL5M] 10:05:30 INFO: Ready to synchronize "SQL Backups" (yb76h-ijmbz) (readonl
y)
[PBL5M] 10:05:30 INFO: Ready to synchronize "WWW Root" (i2hyx-cckdk) (readonly)
[PBL5M] 10:05:30 INFO: Send rate is unlimited, receive rate is unlimited
[PBL5M] 10:05:30 INFO: Rate limits do not apply to LAN connections
[PBL5M] 10:05:30 INFO: Using discovery server discovery-v4-2.syncthing.n
et/v2/?id=DVU36WY-H3LVZHW-E6LLFRE-YAFN5EL-HILWRYP-OC2M47J-Z4PE62Y-ADIBDQC
[PBL5M] 10:05:30 INFO: Using discovery server discovery-v4-3.syncthing.n
et/v2/?id=VK6HNJ3-VVMM66S-HRVWSCR-IXEHL2H-U4AQ4MW-UCPQBWX-J2L2UBK-NVZRDQZ
[PBL5M] 10:05:30 INFO: Using discovery server discovery-v4-4.syncthing.n
et/v2/?id=LYXKCHX-VI3NYZR-ALCJBHF-WMZYSPK-QG6QJA3-MPFYMSO-U56GTUK-NA2MIAW
[PBL5M] 10:05:30 INFO: Using discovery server discovery-v6-2.syncthing.n
et/v2/?id=DVU36WY-H3LVZHW-E6LLFRE-YAFN5EL-HILWRYP-OC2M47J-Z4PE62Y-ADIBDQC
[PBL5M] 10:05:30 INFO: Using discovery server discovery-v6-3.syncthing.n
et/v2/?id=VK6HNJ3-VVMM66S-HRVWSCR-IXEHL2H-U4AQ4MW-UCPQBWX-J2L2UBK-NVZRDQZ
[PBL5M] 10:05:30 INFO: Relay listener (dynamic+relays.syncthing.net/endp
oint) starting
[PBL5M] 10:05:30 INFO: Listen (BEP/tcp): listen tcp 0.0.0.0:22000: bind: Only on
e usage of each socket address (protocol/network address/port) is normally permi
tted.
[PBL5M] 10:05:30 INFO: c.S.listenerSupervisor: Failed service 'tcp://0.0.0.0:220
00' (1.000000 failures of 2.000000), restarting: true, error: "{tcp://0.0.0.0:22
000 tcp://0.0.0.0:22000} returned unexpectedly", stacktrace: [unknown stack trac
e]
[PBL5M] 10:05:30 INFO: Listen (BEP/tcp): listen tcp 0.0.0.0:22000: bind: Only on
e usage of each socket address (protocol/network address/port) is normally permi
tted.
[PBL5M] 10:05:30 INFO: c.S.listenerSupervisor: Failed service 'tcp://0.0.0.0:220
00' (1.999977 failures of 2.000000), restarting: true, error: "{tcp://0.0.0.0:22
000 tcp://0.0.0.0:22000} returned unexpectedly", stacktrace: [unknown stack trac
e]
[PBL5M] 10:05:30 INFO: Listen (BEP/tcp): listen tcp 0.0.0.0:22000: bind: Only on
e usage of each socket address (protocol/network address/port) is normally permi
tted.
[PBL5M] 10:05:30 INFO: Entering the backoff state.
[PBL5M] 10:05:30 INFO: c.S.listenerSupervisor: Failed service 'tcp://0.0.0.0:220
00' (2.999977 failures of 2.000000), restarting: false, error: "{tcp://0.0.0.0:2
2000 tcp://0.0.0.0:22000} returned unexpectedly", stacktrace: [unknown stack tra
ce]
[PBL5M] 10:05:30 INFO: Listen (BEP/kcp): listen udp 0.0.0.0:22020: bind: Only on
e usage of each socket address (protocol/network address/port) is normally permi
tted.
[PBL5M] 10:05:30 INFO: Entering the backoff state.
[PBL5M] 10:05:30 INFO: c.S.listenerSupervisor: Failed service 'kcp://0.0.0.0:220
20' (3.999977 failures of 2.000000), restarting: false, error: "{kcp://0.0.0.0:2
2020 kcp://0.0.0.0:22020} returned unexpectedly", stacktrace: [unknown stack tra
ce]
[PBL5M] 10:05:30 INFO: Completed initial scan of readwrite folder "Default Folde
r" (default)
[PBL5M] 10:05:30 INFO: Completed initial scan of readonly folder "SQL Backups" (
yb76h-ijmbz)
[PBL5M] 10:05:33 INFO: Using discovery server discovery-v6-4.syncthing.n
et/v2/?id=LYXKCHX-VI3NYZR-ALCJBHF-WMZYSPK-QG6QJA3-MPFYMSO-U56GTUK-NA2MIAW
[PBL5M] 10:05:33 FATAL: Starting API/GUI: listen tcp 127.0.0.1:8384: bind: Only
one usage of each socket address (protocol/network address/port) is normally per
mitted.
[monitor] 10:05:33 INFO: Syncthing exited: exit status 1

It looks like you’re starting two Syncthing instances? Syncthing tries to bind to all of its normal ports, but something else (probably another Syncthing instance) is already bound to them.

Check your process list for another ‘syncthing’ process.

1 Like

That was it.

Thank you :slight_smile:

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