Gmail Deliverability – Mailgun
For several of my projects I have implemented Mailgun for email delivery. That system works wonderfully to help handle the dirty work of email deliverability. However recently I encountered a
Read MoreCategory: Troubleshooting Fridays
Top 5 Ways to Speedup Desktop Computers
In the old days, computers often performed very slowly because of a lack of preventative maintenance. Those days are behind us because a lot of these things are now handled
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XenServer – Pool Master Recovery (The Missing Part 1 to XenServer Hosts in Halted Mode)
In July of 2012 I wrote a “part 2” regarding XenServer Hosts in halted mode — however I seem to have misplaced part 1 – which I’ve rewritten after having
Read MoreHung VM, unable to force reboot/shutdown
I have been working with a few vendor provided VM’s which run Linux. For some reason this specific set of Linux VMs do not properly respond when issuing reboot or
Read MoreDisabled Mailbox is not showing in Disconnected Mailbox Area
In Exchange, when you delete an active directory user account, it does not delete their mailbox automatically. Instead it considers the mailbox to be in a “disconnected” state. The mailbox
Read MoreHow to Remove a XenServer Slave when it No Longer Exists in the Pool
Citrix article CTX126382 describes how to remove a XenServer Slave from a pool, however it does not completely clean up after the process is complete. While the host will be removed,
Read MoreXenserver hosts in halted mode (part 2)
I recently encountered a problem where one server in a pool had shutdown expected in a way which cased the vms running on that host to fail. We restarted the
Read MoreXenServer: Changing management adapter in pool
After going through several rounds of problems to move a management adapter for a xenserver pool, I have found the following working process. However, it is because of this processes
Read MoreXenServer: Hung VM
I’ve experieneced several instances where a VM appears to hang and is non-repsonsive, not only at the console level, but also to the XenServer Hypervisor and XenCenter. Attempts to force
Read MoreUnrecoverable error during 5.5 restore (from failed 5.6)
This weekend I decided to perform the upgrade of our 2 XenServer 5.5 servers in a farm configuration to 5.6 FP1. However I found conflicting information on how to perform
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