I have a PC that has started getting random Delayed Write Errors. These started last friday and there had been about 5 so far. They are all related to files accessed by UNC. Each records two errors in the event logs, one of which is the "Application Popup" message mentioning the file involved. Slightly before that is a MRxSmb Event 50 Warning which says:
{Delayed Write Failed} Windows was unable to save all the data for the file \Device\LanmanRedirector. The data has been lost. This error may be caused by a failure of your computer hardware or network connection. Please try to save this file elsewhere.
I have replaced the network cable at the PC and connected the cable to a different network port. I have also set the enablesecuritysignature and requiresecuritysignature reg keys under LanManServer\Parameters to 0, as these values were missing, but present in other PCs in the domain.
I've done a lot of googling, but can't come up with anything.
Any advice would be greatly appreciated.
Regards,
John.
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I've run the Seatools diagnostics on the client. SMART passes and Short DST Passes. The error only happens when accessing files via \\Server... So it seems quite specific to this type off network connection. The machine is slimline and I don't have a NIC to fit it, so I will have to order one if the problem reoccurs. I have tried copying quite a few files across the network using the UNC Connection and they have all worked. But it is a random error, so it's hard to know it won't come back the minute I leave the site!
OK.
1/ You said you replaced the Ethernet cable and plugged it in a different network port. Do you mean you tested with a different Ethernet link in the office (one that's is known to work perfectly)?
2/ Did you tried to reinstall/update the NIC driver and reset its settings?
3/ I'd also try to disable autosense in the NIC settings and test with 100Mbits/s full duplex and half.
Hi.
I have connected to a different ethernet port in the office. (Which works as perfectly as the other one has done).
The NIC driver is up to date, although I didn't try to uninstall it.
I changed the autosense settings on friday, when the problem first occurred. The issue reoccurred, so I changed it back yesterday.
Thanks.
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by: Oliver-PPosted on 2009-07-13 at 15:14:28ID: 24844508
Hi John,
Nothing happened on the server before last friday ? Power failure ? Crash ? New security program installed ? Do you have other client computers accessing this server ?
Other than that, I'd check the NIC on the client getting these errors and swap it for testing. What about its HDD(s) ? Are they S.M.A.R.T healthy ?