November 2013 archive

Nov 28

Error 0x800f0922 while adding DHCP role on Windows Server

Error 0x800f0922 while adding DHCP role on Windows Server If you are installing the DHCP server role on a Windows Server machine you might get the following 0x800f0922 error message: Feature Installation The request to add or remove features on the specified server failed. Installation of one or more roles, role services, or features failed. …

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Nov 19

Windows Server 2012 – File System Resiliency (ReFS) or Data Deduplication (NTFS)?

Windows Server 2012 – File System Resiliency (ReFS) or Data Deduplication (NTFS)? One of the features of Windows Server 2012 R2 that I’ve been doing research as of late is the new file system Resilient File System ReFS). The big question as you can imagine is whether to use it or not. What became clear …

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Nov 11

WordPress MultiSite: Remove render-blocking JavaScript: http://[parent-domain]/?dm=[random-string]&action=load&blogid=[Blog-Numer]&siteid=1&t=[A-Time?]&back=[source-page]

WordPress MultiSite: Remove render-blocking JavaScript: script src=’http://[parent-domain]/?dm=[random-string]&action=load&blogid=[Blog-Numer]&siteid=1&t=[A-Time?]&back=[source-page] type=’text/javascript’ So this is the latest in the “I want to improve my Google´s PageSpeed” saga. I was running Google’s PageSpeed to determine what fixes I need to implement on my site to get a higher ranking and hopefully improve the rank it gives to my site. One …

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Nov 10

Importing WordPress sites: Why won’t the Import tool finish?

Importing WordPress sites: Why won’t the Import tool finish? Lately I have been consolidating WordPress sites into one single installation to simplify the management process but one of the issues I’ve come across is that the Export / Import tool won’t completely import an entire site. Sure, as a site grows the work of moving …

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Nov 07

How to: Recover an Exchange server using the RecoverServer switch

How to: Recover an Exchange server using the RecoverServer switch So a bit of background: I was performing a migration from onPremise to Cloud Mailboxes and the hardware the VM was running on was not the fastest. So I had this great idea: Perform a scheduled fail over to the faster server and continue working …

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Nov 07

Resolve: Setup Failure Occurred While Installing a Server Role_InstallWatermark

Resolve: Setup Failure Occurred While Installing a Server Role_InstallWatermark Generally speaking this error is caused when an installation fails abruptly or is interrupted and a Server Role that was in the process of being installed as part of an Exchange installation is not completely installed. Under the hood what happens is that there is a …

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Nov 07

Error deleting VHD: There is currently a lease on the Blob and no lease ID was specified in the request

Error deleting VHD: There is currently a lease on the Blob and no lease ID was specified in the request If you encounter with this error while trying to delete a storage account most probably it is because you created a Windows Azure Virtual Machine and removed it. In my case I was deleting a …

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Nov 07

How to: Connect to a MySql server using SSL from a WordPress Site

How to: Connect to a MySql server using SSL from a WordPress Site Truly you could title this post simply How to Connect to a MySql server using SSL from a PHP application. The key is in the connection construct, which by default in WordPress it looks sort of like this: $this->dbh = mysql_connect( $this->dbhost, …

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Nov 07

What does Error 330 (net::ERR_CONTENT_DECODING_FAILED) in Google Chrome means

What does Error 330 (net::ERR_CONTENT_DECODING_FAILED) in Google Chrome means Lately I have been playing around with WP caching, web compression and the sort. As I was toying with some of the settings I realized my site was throwing error 330 when accessing it from Google Chrome (IE meanwhile just said the site was down). It …

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Nov 06

How to: Improve the performance / speed of WordPress sites running in IIS

How to: Improve the performance / speed of WordPress running in IIS To be entirely honest I am still struggling with this topic. However I have identified a few points that should help improve the performance / speed of a WordPress site running in IIS. Now, if a distinction should be made it would be …

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