exchange 2007: installing update rollups

ben mentioned to me about 2 weeks ago that when installing update rollups for exchange 2007 you should start with the CAS servers first. i found an MS article that said the same thing. so i installed the latest rollup on the CAS, hub transport, and then finally the mailbox servers. i ran the updates […]

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exchange: temporarily prevent a user from sending email

it’s necessary to temporarily prevent a compromised exchange account from sending out spam. you could of course disable the mailbox, but then the mailbox would be marked for deletion and would be purged in 30 days. so if you forgot to reconnect the mailbox before the 30 days you’d probably have to restore the mailbox from a […]

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sysinternals: pstools; running commands on a remote system with psexec

http://technet.microsoft.com/en-us/sysinternals/bb897553 psexec example: psexec \\remote-computername  ipconfig /all pretty neat program

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dell poweredge r510 + powervault md1200 das

to hook up a md1200 DAS to a r510 a PERC h800 adapter card is required. initially, we were shipped a h810 adapter card which happened to be a low-profile pcie card and thus would not fit correctly in the r510 (which requires standard sized cards) the md1200 is connected via mini-SAS cables and the […]

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vmware-authd continuous restarting; can’t rejoin host to vcenter

we experienced this issue in 2010, but i never got around to fully documenting the cause and solution. after a planned ESX host reboot, the host would not reconnect to vcenter (no matter how much time went by). /var/log/messages shows: Sep 22 10:26:05 esx14 xinetd[3078]: START: vmware-authd pid=25229 from=127.0.0.1 Sep 22 10:26:05 esx14 xinetd[3078]: EXIT: vmware-authd status=255 […]

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windows terminal server: generating new self-signed cert

i seem to forget how to do this every time i need to actually do it… if you have an expired cert on a windows terminal server then restarting the “Terminal Services Configuration” service should auto-generate a new cert. opening up a remote Certificates MMC should allow you to export the newly generated Remote Desktop […]

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G.711 mu-law/a-law codec: disk space usage math

according to cisco docs, g.711 recorded audio takes up 8KB per second of audio. so a full minute of recorded audio should take up 480K of disk space. approximately 42MB of data should equate to approx. 87-88 minutes of recorded audio. the cisco defaults and general recommendations are to allow 20-30 minutes of voice messages […]

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exchange 2007: export mailbox as PST

from a machine running the 32-bit version of the management tools plus a local install of outlook 2007: Export-Mailbox -Identity <username> -PSTFolderPath <example: C:\PST> (run the Exchange Management Shell as Administrator) the domain user logged in must have the appropriate exchange privileges and full access permissions to the mailbox being exported. source: http://blogs.technet.com/b/exchange/archive/2007/04/13/3401913.aspx

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NAS & wireless thoughts for 2013

i did end up putting debian on my sheevaplug some time ago and i have to say it’s working better than it ever has. when the plug had ubuntu 9.04, for whatever reason it seemed like i would have to hard reboot it from time to time. a common reason would be because it would […]

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exchange 2007: POP3 access

in our current exchange 2007 organization, it appears that POP3 access is enabled on every mailbox and that it’s also enabled on the CAS servers. the only thing stopping POP3 access from functioning is the fact that the Microsoft Exchange POP3 service does not start automatically on the CAS servers. i was wondering about just […]

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