I'd love to know what happens, so please post again - especially if you get a solution - but also if I/we can answer more questions. This was verifed on a Windows 7 RC machine as well. Then do the 'File > Configure > Start', then it runs fine. Go to c:program filessolarwindstftpserver (or your install folder) and right click on tftpserver.exe and run as administrator. You may have to do a full restore of the TFTP server (but from what backup?), or rebuild it from scratch and allow the pub to build all new config files. It cannot be in memory or it will not work. If activating the TFTP service on a new server does not allow devices to download config and load files, then it's time to call TAC. The programs built-in uninstaller does not start or does not operate. I make no promises on that, though, as I have never run into this exact problem before. Possible problems that can arise during uninstallation of SolarWinds TFTP Server. If it works, that's great and you can *maybe* solve your problem by deactivating and reactivating the TFTP service on the original server (with some time in between to purge the database and maybe reboot it as well). So if you can, activate the service and then set one phone for that server as its option 150 and see what happens. It will depend on whether the new TFTP server will copy the files from the existing one (which, of course, it can't) or if it will try to build a new set of files. Click File > Run New Task Make sure you have a check mark beside Create this task with administrative privileges Type CMD Type the following 2 commands at the Command Prompt: dism /online /cleanup-image /restorehealth sfc /scannow 5. If you have more than one server in your cluster, try activating the TFTP service on a different server to see if it will build a stable set of records. So.I think it is possible that the TFTP database itself is corrupted rather than this being a connection problem. The trace also indicates that the TFTP server is unable to build new files (look for "BuildFIles"). And again at line 9610 with device SEPEC44761E5CB5. The TFTP server says it's serving the file but is receiving no ACK and so re-serves it repeatedly. The request is reaching the TFTP server, but as far as the TFTP server is concerned the file is not found (see line 514) and so cannot service the request.ĭitto with a number of other requests, such as SEP002155D69F75 (around line 8663) requesting to download its config file (and then requesting the XML Default file). If you look at the section starting at line 518, you will see (what I assume to be) an MGCP gateway attempting to download a config file and failing. (This is also at line 8146 where it looks like the TFTP server was rebooted maybe? and also later where the service itself was restarted.) If you look at the header line in your trace file, it reads: "18:52:19.081 HDR| TFTP,StandAloneCluster,ala-hq-ccm, Error,8.0-1" This is why your phones are registered and working even though the TFTP service is messed up.Īnd there is absolutely a problem with the TFTP server. If they are unable to reach a TFTP server to get information, they will use their 'last known good' config stored in their memory and go with that. Subsequently, communication is established via individually assigned port numbers (between 105), which the TFTP server sends to the requesting client in the form of TIDs ( Transfer Identifiers).Cisco IP Phones are stubborn. Unlike its better-known counterpart FTP (File Transfer Protocol), TFTP cannot list directories or permissions via chmod. As a result, it only covers methods for reading/writing files or mail to or from a server. The packet-oriented File Transfer Protocol, which is part of the TCP/IP protocol family, was specially designed to be as small and easy to implement as possible. It is also possible to implement the TFTP based on other protocols. By default, the TFTP protocol is based on the similarly simplified transport protocol UDP (User Datagram Protocol) which enables data to be sent between communication partners without sharing a fixed connection. The current standard was published in RFC 1350 in 1992. The TFTP’s original specification was published in June 1981 in RFC 783. The Trivial File Transfer Protocol, TFTP for short, is a very simple client-server protocol, which manages file transfers in computer networks.
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