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Deleting stuck VMware Horizon View VMs with viewdbchk.cmd
ProblemYou have a pool of desktops that are currently in a status / state where you are unable to use the VMware Horizon 7 administrator console to remove:Deleting (missing)Maintenance mode...
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Attempting to launch a NetScaler published Citrix XenDesktop / XenDesktop...
ProblemYou attempt to launch a NetScaler published Citrix XenDesktop / XenDesktop application or desktop but immediately receive the following error for the desktop:The connection to “XenApp Desktop”...
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Attempting to enable a user for Unified Messaging in Exchange Server 2016...
ProblemYou attempt to enable a user for Unified Messaging in Exchange Server 2016 but receive the following error: Extension xxxx is already assigned to another user on the dial plan UMDialPlan or on...
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Attempting to upgrade Microsoft Exchange Server 2016 from CU8 to CU12 fails...
ProblemYou’re attempting to upgrade Microsoft Exchange Server 2016 from CU8 to CU12 but the process fails at the Prerequisite Analysis with:Setup can't continue with the upgrade because the mscorsvw...
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Remotely terminating a remote session on a Citrix XenApp or RDS server
I’ve been asked several times in the past about the following error that is presented if a user attempts to RDP (remote desktop) to a Citrix XenApp application server:The target session is incompatible...
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Attempting to execute Exchange PowerShell cmdlets on objects in another...
One of the common questions I have been asked over the years is why the following error is thrown when an Exchange PowerShell cmdlet is executed on an object in another domain where the Exchange...
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Attempting to send an email with attachment in Outlook 2016 fails with: “The...
ProblemYou’ve received reports from users that they would intermittently receive the following error messages when they send an email with an attachment:The function cannot be performed because the...
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VMware Horizon View virtual desktop in “agent unreachable” status because OS...
One of the common issues I’ve seen in many virtual desktop environments such as VMware Horizon View (or Citrix XenDesktop) is when a Windows 10 virtual desktop has crashed and gone into the repair mode...
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Running Remote Connectivity Analyzer against Exchange 2013/2016/2019 fails...
ProblemYou use the Remote Connectivity Analyzer to test external connectivity for an Exchange 2013/2016/2019 environment but notice that it fails with the following error:Testing MAPI over HTTP...
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Deploying Skype for Business Server 2019 Archiving and Monitoring Services
Deploying Skype for Business Server 2019 archiving and monitoring services are fairly much the same as the previous version but I thought it would be a good idea to write this updated post to...
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Attempting to rebalance VMware Horizon View linked-clones desktop pool...
ProblemYou attempt to migrate a linked-clone pool’s storage from one datastore to another by using the rebalance feature as outlined in the following KB:Migrating linked clone pools to a different or...
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Microsoft Outlook fails to authenticate with Office 365 configured with DUO MFA
I was recently contacted to troubleshoot an issue where a user’s Outlook was unable to connect to Office 365 after a password change over the evening and while I found various forum posts describing...
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Confirming a Citrix ADC is CVE-2019-19781 vulnerable and compromised then...
I took an extended leave from IT for most of 2009 until returning later in December and therefore haven’t had to deal with the Citrix CVE-2019-19781 vulnerability but I just so happened to come across...
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Configuring Content-Security-Policy HTTP Response Header on Citrix ADC for...
I was recently asked to troubleshoot an issue where an administrator implemented the Content-Security-Policy HTTP Response Header on a Citrix ADC for Citrix Apps and Desktops with DUO integration and...
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Securing Citrix ADC (formerly known as NetScaler VPX) to score A+ rating on...
It has been a while since I’ve updated my previous posts for securing a Citrix ADC (formerly known as Citrix NetScaler) due to my absence from the work force so this post serves to provide the...
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Securing a Citrix ADC (formally known as NetScaler VPX) to score an A rating...
Continuing from my previous post for securing the Citrix ADC to score an A+ via Qualys’ scan:Securing Citrix ADC (formerly known as NetScaler VPX) to score A+ rating on SSL Labs - February...
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Deploying Azure Migrate appliance on VMware vSphere 6.7 fails with "Unable to...
ProblemYou attempt to set up the Azure Migrate appliance to perform an assessment on a VMware vSphere 6.7 environment by downloading the OVA appliance from Azure:MicrosoftAzureMigration.ova… but notice...
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Configuring Conditional Access Policy in Azure to prevent non Hybrid Azure AD...
The recent coronavirus pandemic has led many organizations to rush and provide remote access for their employees and with remote connectivity to corporate resources comes with increased security...
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Adding Email Address / ProxyAddress to an O365 mailbox for a user account...
I’ve recently been asked a few times about a common issue that many on-premise Exchange administrators encounter when transitioning to Office 365 so I thought I’d write a quick blog post outlining how...
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Creating a new Exchange Online transport rule with the condition "has...
ProblemYou would like to configure a new transport rule in Exchange Online with one of the following conditions:has specific properties including any of these wordshas specific properties matching...
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