I am currently working on an Exchange migration from 2003 to 2010. For the implementation of a load balancing solution for the CAS/HUB servers I needed to set Static RPC Ports for the RPC Client Access Service and the Exchange Address Book Service.

The procedure of changing these ports is described on the Technet Wiki: Configure Static RPC Ports on an Exchange 2010 Client Access Server

Since I am lazy I decided to do this with a PowerShell script that would automatically do this for all CAS/HUB servers in my 2010 environment.

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In my previous post I wrote about a problem I had with duplicate RID Allocation pools.

But how do we get more insight into these RID Allocation pools?

The DCDIAG tool can display this information per domain controleler using the following syntax

Example output:

But where in Active Directory is this information stored and can we display it for all Domain Controllers at once for larger environments?

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Today I was testing the installation of Exchange 2010 in a VMWare sandbox environment. We created the sandbox to test migration from a 2003 AD and Exchange environment to 2008 R2 with Exchange 2010.

We used a P2V to get real copies of the Active Directory and the AD upgrade to 2008 R2 was already tested.

But during the Exchange installation in the sandbox I got the following error:

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I wanted to read the otherWellKnownObjects attribute from an Active Directory object.

In my case this was the Microsoft Exchange container in the Configuration partition:

The otherWellKnownObjects attribute is of type ADSTYPE_DN_WITH_BINARY which unfortunately cannot be viewed or edited with ADSI Edit:

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