High Performance Web Sites
http://code.google.com/p/minify/
Memory Limits for Windows Releases
http://msdn.microsoft.com/en-us/library/windows/desktop/aa366778%28v=vs.85%29.aspx#physical_memory_limits_windows_7 Physical Memory Limits: Windows Server 2008 R2 The following table specifies the limits on physical memory for Windows Server 2008 R2. Windows Server 2008 R2 is available only in 64-bit editions. Version Limit on X64 Limit on IA64 Windows Server 2008 R2 Datacenter 2 TB Windows Server 2008 R2 Enterprise 2 TB Windows Server 2008 R2 for Itanium-Based Systems 2 TB Windows Server 2008 R2 Foundation 8 … Read more
What is the difference between X86, X64 and IA64?
X86:http://en.wikipedia.org/wiki/X86 X64: http://en.wikipedia.org/wiki/X64 IA64: http://en.wikipedia.org/wiki/IA64
Error when executing get-rolegroup
PROBLEM : When I execute get-rolegroup I get the following error: The requested search root ‘forest.local/Microsoft Exchange Security Groups’ is not within the scope of this operation. C annot perform searches outside the scope ‘domain.forest.local’. + CategoryInfo : NotSpecified: (0:Int32) [Get-RoleGroup], ADOperationException + FullyQualifiedErrorId : C13C766,Microsoft.Exchange.Management.RbacTasks.GetRoleGroup SOLUTION : By default Exchange Management Console and Exchange … Read more
Cannot open your default e-mail folders. You must connect to microsoft exchange with the current profile before you can synchronize your folders with your outlook data file (.ost)
PROBLEM : Cannot open your default e-mail folders. You must connect to microsoft exchange with the current profile before you can synchronize your folders with your outlook data file (.ost) SOLUTION : The Microsoft Exchange RPC Client Access service was not starting automatically.
Managed Default Folders – Managed Folder Mailbox Policies – Managed Custom Folders are gone?
In SP1, Managed Folders have been taken out of the GUI Console and replaced with Retention Policies. Managed Folders are still around and can be configured with Powershell (EMS). For all the commands start here: http://technet.microsoft.com/en-us/library/dd638169.aspx
Exchange 2010 Move all mailboxes to a new mailbox database
PROBLEM : This mailbox database contains one or more mailboxes, mailbox plans, archive mailboxes, or arbitration mailboxes. SOLUTION : The trick to seeing the Arbitration Mailboxes is to Set-AdServerSettings: Set-AdServerSettings -ViewEntireForest $True Run the Get-Mailbox command to see if there are any Arbitration Mailboxes : Get-Mailbox -database mbox1 -arbitration | Format-Table name,servername Name … Read more
You cannot create a new Exchange Server 2010 Mailbox database
Couldn’t mount the database that you specified. Specified database: mailbox-database1; Error code: An Active Manager operation failed. Error: The database action failed. Error: Operation failed with message: MapiExceptionNotFound: Unable to mount database. (hr=0x8004010f, ec=-2147221233) http://support.microsoft.com/kb/977960 CAUSE This issue occurs when the value of the ConfigurationDomainController parameter and the value of the PreferredGlobalCatalogparameter are different. In … Read more
“A fatal error occurred while trying to sysprep the machine” error
This occurs when a Windows 7 system has been sysprepped three times — KB929828. To overcome this, you will need to do the following: Run the slmgr.vbs -rearm command. Try sysprep again. Additional ressources : http://technet.microsoft.com/en-us/library/dd744512%28WS.10%29.aspx http://mickitblog.blogspot.ca/2011/08/fatal-error-occurred-while-trying-to.html
VMware VSphere disk performance/access
Determining if a VMDK is zeroedthick or eagerzeroedthick http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1011170