December 2014 – Fish Eagle Limited

Powershell script to check LDAP search timings on Domain Controllers

Another quick one to finish the year off. Here’s a script that runs an LDAP query against all of the DCs in the forest and reports back the time it has taken for each. The intention is to identify any DCs that are responding slowly for some reason. In the example below, I’ve chosen to… Read More »

[ERROR] Could not find the Exchange Mailbox Administrators Universal Security Group through its well-known GUID

I came across a weird error the other day while running Exchange Server 2013 CU6 setup with the /PrepareAD switch. The error (from the Exchange setup logs) was this: [12/02/2014 01:14:16.0727] [2] [ERROR] Could not find the Exchange Mailbox Administrators Universal Security Group through its well-known GUID 29a962c2-91d6-4ab7-9e06-8728f8f842ea. Please make sure that Setup /prepareAD has… Read More »