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Archive

Archive for May, 2011

How to Export Active Directory Group Members to a Text File

May 31st, 2011 Jovan Davis 1 comment

A quick way to export a list of Active Directory group members to a text file:

From a command prompt, run the following:

Net group “Domain Admins” /domain >listofusers.txt

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Issue Backing up Exchange 2007 “DPM has detected a discontinuity in the log chain”

May 26th, 2011 Daniel Davies No comments

We had an issue recently backing up DPM when a Log File got deleted form the log files directory and we were then unable to backup the mailbox databases in the storage group with the following error “DPM has detected a discontinuity in the log chain for Storage group StorageGroup on ServerName since the last synchronization. (ID 30216 Details: Unspecified error (0×80004005))”

The way we fixed this was by doing the following.

  • Dismount Mailbox Databases in the Storage Group
  • Make a copy of all .log files from the storage group log files directory and then delete them.
  • Mount the databases again and you should now be able to perform a backup
Categories: Uncategorized Tags: ,

Understanding Microsoft Security Updates

May 24th, 2011 Jovan Davis No comments

While reading about the latest patch release from Microsoft,  I came across the following article Microsoft Security Update Guide, Second Edition. It covers in high detail, the significance of security updates and provides IT pros with a high level of understanding around the updates process. The article also covers the Risk Management process and highlights useful tools.

http://www.microsoft.com/downloads/en/details.aspx?FamilyID=67c53d51-b3d4-4538-af56-057406a270db&displaylang=en

KB2230887 Update for Hyper-V Dynamic Memory not available

May 24th, 2011 Daniel Davies No comments

Just to let you know the update KB2230887 that is required to allow dynamic memory to work on Virtual machines on the below operating system has been removed from the MS download site.

  • Windows Server 2008 Standard Edition Service Pack 2 (SP2)
  • Windows Server 2008 Standard Edition Server Core SP2
  • Windows Web Server 2008 SP2
  • Windows Web Server 2008 Server Core SP2

If you attempt to download the Hotfix on the MS website you will get the below error “The KB article has no public hotfixes. Please contact support if you need immediate assistance.
http://support.microsoft.com/contactus/?ws=support

Microsoft will re-releasing the update however they have gave no indication on when this will be.

Un-delegate AD Permissions

May 20th, 2011 Ashley Moore No comments

Sometimes after delegating permissions to a user or group it may be required to revoke them (maybe the user has left or group belongs to a temporary team of contractors). To do this you cant go through the delegate control wizard and take back the permissions as you would expect so just thought i would put a quick post up showing how to

First of all open ADUC and select view and make sure Advanced Features is checked

Next right click the OU that you need to remove the delegated permissions from and select properties and then the security tab

Here you should be able to see the user/group that you originally delegated permission to. In order to revoke these delegated permissions simply remove them from the ACL

HTH

Ash

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Filter event viewer service control manager events using XML

May 19th, 2011 paulw No comments

Had a problem with a site in which I wanted to see if the event viewer had logged any instances of the Exchange System Attendant service stopping. Unfortunately these were buried in a long list of other services that were constantly starting and stopping under event id 7036.

What I had to was to edit the XLM query manually in “Filter Current Log…”. I then put in this query to show me every time the service had entered the running state:

<QueryList>
  <Query Id="0" Path="System">
    <Select Path="System">*[System[(Level=4 or Level=0) and (EventID=7036)]] and *[EventData[Data[1]=‘Microsoft Exchange System Attendant’ and Data[2]=‘running’]]</Select>
  </Query>
</QueryList>

This game me the filtered list of service events that only applied to when the Microsoft Exchange System Attendant service had entered the running state:

image

You can just copy and paste the XLM above to give you this output or simply change some of the options to custom it to look for any events for a particular service that you want to see.

If you want to get some more parameters to search then simply double click on the event ID that you want to filter, click on the details tab and select XLM view. This will give you a list of all of the details that you can search for:

image

Paul

Ctrl Alt Delete in Remote Desktop Session

May 18th, 2011 paulw 1 comment

Just a quick post for anyone who wants to know how to do send a Ctrl + Alt + Delete  while using remote desktop session:

Ctrl + Alt + End

This will give you the same output as a Ctrl + Alt + Delete as if you were connected to the console session.

Paul

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Windows 2008 R2 SP1 Failure "0x800f0818”

May 18th, 2011 Daniel Davies 15 comments
We ran into an issue recently while trying to upgrade our Windows 2008 R2 server to SP1.
While running the setup we received the following error “An unknown error has occurred. Error: 0x800f0818”
image
After receiving this error i first installed the System Update Readiness Tool for Windows Server 2008 R2 x64 Edition (KB947821) [February 2011] which i hoped would give me an indication of the issue.
After installing the above check the following log “%systemroot%\Logs\CBS\CheckSur.log”.
CheckSUR
=================================
Checking System Update Readiness.
Binary Version 6.1.7601.21645
Package Version 11.0
2011-05-18 12:11
Checking Windows Servicing Packages
Checking Package Manifests and Catalogs
(f)    CBS MUM Corrupt    0×00000000    servicing\Packages\Package_for_KB2454826_RTM~31bf3856ad364e35~amd64~~6.1.2.0.mum        Expected file name Microsoft-Windows-Foundation-Package~31bf3856ad364e35~amd64~~6.1.7600.16385.mum does not match the actual file name
Checking Package Watchlist
Checking Component Watchlist
Checking Packages
Checking Component Store
Summary:
Seconds executed: 311
Found 1 errors
CBS MUM Corrupt Total count: 1
Unavailable repair files:
servicing\packages\Package_for_KB2454826_RTM~31bf3856ad364e35~amd64~~6.1.2.0.mum
servicing\packages\Package_for_KB2454826_RTM~31bf3856ad364e35~amd64~~6.1.2.0.cat
From this log file i could see the culprit files above (highlighted in red). So first thing i did was download the KB specified from MS.
After downloading the MSU i extracted what was in the MSU with the following command
Expand -F:* Updatename.msu C:\FolderLocation
This then extracted a CAB file which i then in return ran another expand command against
Expand -F:* cabname.CAB C:\CabDestination
Once the files from the CAB file have expanded run a search for the Unavailable repair files mentioned earlier
  • Package_for_KB2454826_RTM~31bf3856ad364e35~amd64~~6.1.2.0.cat
  • Package_for_KB2454826_RTM~31bf3856ad364e35~amd64~~6.1.2.0.mum
Once you have found the above 2 files copy and paste them to the “%systemroot%\Servicing\Packages” if prompted to overwrite then do so.
After i did the above step re-run the Service Pack and all should work Smile


Categories: Uncategorized Tags: ,

Issues backing up Exchange 2007 with DPM 2007

May 18th, 2011 Daniel Davies No comments

Recently we came an issue where we couldn’t back up Exchange via DPM and the following error was given “DPM has detected a discontinuity in the log chain for Storage group First Storage Group on servername since the last synchronization. (ID 30216 Details: Unspecified error (0×80004005))”

After researching the event id most articles pointed to circular logging be enabled as the culprit but this was not the case as it was turned off.

Resolution

  1. Take a backup of the Exchange databases, the Storage Groups logs and chk file,  by first dismounting the stores and taking a copy to a different location.
  2. Delete the Storage Groups logs and chk file
  3. Mount the Exchange Databases
  4. Run DPM Backup and this should complete
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Office 365–Online SharePoint WSS content database sizes

May 16th, 2011 paulw 3 comments

I have managed to get hold of a public beta account for the new cloud offering from Microsoft Office 365. I just wanted to know how big the content databases could get.

I came across this Microsoft Download in my RSS feeds:

http://www.microsoft.com/downloads/en/details.aspx?FamilyID=6c6ecc6c-64f5-490a-bca3-8835c9a4a2ea

This gives you all the info on Office 365 beta that you need if you want more detail, but for quick reference, here is the breakdown for SharePoint databases:

Initial Storage = 10GB + 500MB per user

Site Collection Storage = Min is 24MB – Max is up to 100GB

Total for any company = 5TB

In answer to one of the questions that I had, yes additional storage, incremented in GB, can be bought for around £2.50 which is charged at a month by month basis.

Hope this helps.

Paul

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