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SS Technology Forum

Computer Migration - Things to Consider

Here are a few points which you can consider while doing computer migration. These points are applicable to all migrations irrespective of the migration tool (ADMT, NetIQ, Quest etc)

Active Directory User Migration

Here is a graphical representation of the high level steps involved in an Active Directory migration using ADMT

User Migration and Merging Using Quest Migration Manager

Pre-creating user account in the target domain is a common scenario these days due to single-sign-on solution, HR management procedure etc

Microsoft Right Management Service (RMS)

Rights Management Service (RMS) is an add-on to many RMS aware applications. In this article my main focus is to explain how we can utilize RMS technology with Exchange 2003 and how we can take advantage of RMS technology to increase the email security

Microsoft ISA Server

I am sure we have all either encountered or heard of this "problem" one time or another if the ISA Server is part of the Active Directory Domain. Is it a problem?

Showing posts with label GUID Partition Table. Show all posts
Showing posts with label GUID Partition Table. Show all posts

Thursday, December 10, 2009

DPM Disk Allocation using MBR and GPT Disks

The master boot record (MBR) disks can support up to 2 TB, which is the limit for MBR disks.  I have seen the following error messages in DPM when creating Protection Groups:

Error 360: The operation failed due to a virtual disk service error
Error details: Unknown error (0x80042515)
Recommended action: Retry the operation

If VDS service is running and you can create/allocate drives from disk management, make sure you are not trying to allocate more than 2 TB disk space.   If you need to allocate more than 2 TB disk space, use GUID Partition Table (GPT) disks instead of MBR. 

Here are some good references:
http://www.microsoft.com/whdc/device/storage/GPT_FAQ.mspx
http://www.microsoft.com/whdc/device/storage/GPT-on-x64.mspx
http://technet.microsoft.com/en-us/library/bb808861.aspx

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