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ThatLazyAdmin Posts

Authenticate Google Apps email with DKIM

About DKIM You can help prevent spoofing by adding a digital signature to outgoing message headers using the DKIM standard. This involves using a private domain key to encrypt your domain’s outgoing mail headers, and adding a public version of the key to the domain’s DNS records. Recipient servers can then retrieve the public key to decrypt…

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System Center Virtual Machine Manager Host in “Pending State”

In Virtual Machine Manager (VMM) 2008 or VMM 2008 R2 or VMM 2012 R2, pending hosts are cluster nodes that VMM discovers and that are not currently being managed by VMM. To add pending hosts to Virtual Machine Manager In the VMM Administrator Console, click the Hosts view. In the Filters area, expand Status, and then select the…

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Windows Server 2012 R2 (We couldn’t complete the updates undoing changes ..)

Today i started building new servers installed windows updates and asked to restart. After restart i was prompted with this “beauty” of a message. First thing i tried to restart the VM with no luck and the same message come back . After some digging i found this article: Turns out turning of the…

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Insufficient access rights to perform the operation. Enabeling Remote Mailbox

During my fun and games Installing and Configuring Exchange 2016 with Hybrid Office 365 i come across an annoying point when running the “Enable-RemoteMailbox” Command Error: “Active Directory operation failed on Rock.solid.local. This error is not retriable. Additional information:Insufficient access rights to perform the operation.” Looking at this error i remembered that i have seen…

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How to Disabled OWA Signatures in Office 365 for all Staff

How to Disabled OWA Signatures in Office 365 for all Staff. This is normally done if a 3rd Party email branding software like exclaimer or CodeTwo is being used. Native to Office 365 (Exchange Online) there is a great way to prevent users from Enabling Signatures in OWA : Disable OWA Signatures. First lets create a…

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