About atherbeg

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So far atherbeg has created 47 blog entries.
22 12, 2011

Exchange 2010 Installation issues (Part I)

By |2016-12-11T15:25:08+01:00December 22nd, 2011|Exchange, Windows Firewall|0 Comments

While installing Exchange 2010, you may find setup failing part way, complaining about having no more endpoint mappers (taken from ExchangeSetupLog): [Timestamp] [1] 0. ErrorRecord: There are no more endpoints available from the endpoint mapper. (Exception from HRESULT: 0x800706D9) [Timestamp] [1] 0. ErrorRecord: System.Runtime.InteropServices.COMException (0x800706D9): There are no more endpoints available from the endpoint mapper. [...]

28 11, 2011

Failure of Computer Migration while using ADMT (Active Directory Migration Tool)

By |2016-12-11T15:25:08+01:00November 28th, 2011|Active Directory, Migration|2 Comments

We're using ADMT (Active Directory Migration Tool 3.2) these days as part of a restructuring exercise from a multi-domain forest to many single-domain forests.  That requires migration of users, groups but also computers from one forest to another (verified two-way external trusts are in place).  One issue we saw while migrating computers was that migration [...]

30 09, 2011

Event ID 29 – KDC Certificate Availability

By |2016-12-11T15:25:08+01:00September 30th, 2011|Active Directory|11 Comments

Our organisation is going through a major restructuring phase these days and we’re converting from an “Empty Root with many Child Domains” to “Single Domain Forests” model.  Why did we go with the former model is a long story and definitely beyond the scope of this particular post so I’ll leave it for another day.  [...]

30 07, 2011

vSphere 5.0 and the new licensing model

By |2016-12-11T15:25:08+01:00July 30th, 2011|ESX, Strategy, vCenter, Virtualization, vSphere|0 Comments

For those of you who follow VMware products closely, the past couple of weeks have been quite interesting.  VMware has announced vSphere 5.0 which has a lot of new exciting features and as always, bigger limits for resources that people are unlikely to hit... ever!  However, it is unfortunate that this version of vSphere is making headlines [...]

31 05, 2011

VMware Data Recovery: “Unable to access file since it is locked”

By |2016-12-11T15:25:08+01:00May 31st, 2011|VDR, Virtualization|2 Comments

Recently, we ran into a problem which saw "VMware VirtualCenter Service" on one of our vCenter servers crashing after every restart.  In my last post here, I documented the whole incident and its solution.  If you read the post, you'll see that I had to delete a considerable number of accumulated snapshots from the affected VM [...]

30 05, 2011

Resolved: The VMware VirtualCenter Server service terminated unexpectedly

By |2016-12-11T15:25:08+01:00May 30th, 2011|ESX, vCenter, Virtualization, vSphere|11 Comments

A few days back, we were hit by a problem on one of our vCenter servers (vCenter 4.0 Update 1) in that the "VMware VirtualCenter Server" service starting failing.  The message in "System" event log was "The VMware VirtualCenter Server service terminated unexpectedly.  It has done this n time(s).  The following corrective action will be taken in 300000 milliseconds: Restart [...]