Archive for July, 2011

OS X Lion Upgrade made Internet running slow

I installed the Mac OS X Lion from the App Store this morning and after cannot connect to internet or internet is running very very slowww. after reading the varies forum some people suggesting rebooting fixed the issue, or changing the DNS address to open DNS or disconnecting from wireless and reconnecting got them running but still […]

Can’t delete file or take Ownership

First check file is not open anywhere, you can check if fileshare location in share & storage location and look for open files. C:\Users\You\Downloads\abctest.jpeg Type the following command, and then press ENTER to grant administrators full access to the file: icacls Path_And_File_Name /GRANT ADMINISTRATORS:F For example, type: icacls C:\Users\You\Downloads\abctest.jpeg /grant administrators:F Then try to delete […]

Adding vSphere

P2000-with-vSphere Initial iSCSI setup of the ESX/ESXi servers Networking for the software initiator Before SAN connectivity can be established a specific network configuration must be in place. To correctly enable connectivity, two VMkernel ports must be created and each configured to use a separate vmnic port. As a best practice, the VMkernel networks for iSCSI […]

Binding All NIC And iSCSI Port Pairs To a Single vSwitch

In an iSCSI setup (software initiator or HBA), if your host has more than one pNIC, there are two types of configuration you can build. First one a two vSwitches type of configuration where you have a separate vSwitch for each network adapter and VMKernel iSCSI port pair in a 1:1 mapping as shown on the picture below, The […]

VMware ESX VM Resurrection from flat.vmdk file

Recreating a missing .vmdk descriptor file on ESX. Access the ESX command line and navigate to the virtual disk (you can use putty) list the file in Virtual Machines directory: [root@esx03 ONLINEBACKUP]# ls -ltr *.vmdk you should see something like -rw——- 1 root root 107374182400 Jul 19 07:32 ONLINEBACKUP-flat.vmdk [root@esx03 ONLINEBACKUP]# less *.vmx | grep -i virtualdev […]

Exchange IS error exceeded the maximum of 500 objects of type “objtFolder”

Outlook client doesn’t update folders automatically. On the status bar instead of “All folders are up to date” message “This folder was last updated on …” is displayed. Your Microsoft Exchange 2010 server logs the following error: Event ID: 9646 Type: Error Source: MSExchangeIS Description: Mapi session “/o=First Organization/ou=Administrative Group/cn=Recipients/cn=user” exceeded the maximum of 500 […]

Exchange Server 2007: Renewing the self-signed certificate

Exchange Server 2007 issues itself a self-signed certificate for use with services like SMTP, IMAP, POP, IIS and UM. The certificate is issued for a period of one year. The self-signed certificate meets an important need – securing communication paths for Exchange services by default. Nevertheless, one should treat these certificates as temporary. Although the […]