The ramblings of a computer geek
I had some amusement when someone tried sending a 1MB email to 400 people and the server was set for direct delivery. It flattened out the ADSL and caused lots of problems, first job was to click the “disable outbound mail” button in the Exchange System Manager under queues. Then temporarily close port 25 on … Read more
Recently I had the joy of an oversize (16GB) exchange database that would not mount, I needed to do a emergency defrag of it and hes what I did. 1. First shutdown Exchange completely, including the information store service, to ensure we get a clean shutdown. 2. Now copy the files priv1.edb and priv1.stm files … Read more
Windows could not start because of the following file is missing or corrupt: <windows root>\system32\ntoskrnl.exe Please re-install a copy of the above file To resolve you could try booting from your windows xp cd into recovery mode or into the installed version of recovery mode and run: cd c:\windows\system32 copy “..\driver cache\i386\ntoskrnl.exe” or cd “c:\windows\driver … Read more
While trying to run the netdiag.exe program on a Windows XP or Windows 2003 Server you get this error message: netdiag.exe – Entry Point Not Found : The procedure entry point DnsIsDynamicRegistrationEnabled could not be located in the dynamic link library DNSAPI.dll or netdiag.exe – Entry Point Not Found : The procedure entry point DnsGetPrimaryDomainName_UTF8 … Read more
net stop w32time net time /setsntp:pool.ntp.org net start w32time W32tm /resync Note: you need to run this command on the PDC emulator in your domain. This is the server that is at the top of the time infrastructure.
An attended transfer is one where a user A recieves an external call, he wishes to transfer to user B, user A calls user B and confirms they are willing to take the call then if they confirm they transfer to user B if not they hang up. An unattended (blind) transfer is one where … Read more
We recently upgraded our ESX hosts to ESX 4.1 U1, upon applying the 4.1 U1 update and then rebooting the server we found that the network adapters had all changed themselves to 1000Mbit Full Duplex. However we had everything set at “Auto Negotiate.” The fix was simple, change this back to “Auto” on the ESX … Read more
Information Store (672) SG1: An attempt to write to the file “D:\SG1\E00.log” at offset 1253376 (0x0000000000132000) for 512 (0x00000200) bytes failed after 1 seconds with system error 1784 (0x000006f8): “The supplied user buffer is not valid for the requested operation. “. The write operation will fail with error -1011 (0xfffffc0d). If this error persists then … Read more
I’ve been upgrading our ESX hosts to the latest version. From ESX 4.1 to ESX 4.1 U1 (Update 1), its been a little more complicated than i’d like, but here are the strange things i’ve found. Note this is performing the upgrade using VUM (VMWare Update Manager). Downloading The Update Finding the correct package to … Read more
Some useful Exchange recovery commands for when the sky has fallen, and you don’t have a working backup.