vCenter Appliance 6.0 U3 email notifications are not sent when multiple email addresses are defined in an alarm action

vCenter Appliance 6.0 U3 email notifications are not sent when multiple email addresses are defined in an alarm action

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Recently I tried to configure email notifications on my lab vCenter Server Appliance (6.0u3), but  experience issue:  “Diagnostic-Code: SMTP;550 5.7.60 SMTP; Client does not have permissions to send as this sender” I tried to use solution from kb: https://kb.vmware.com/kb/2075153 but apparently, the solution does not work with latest 6.0.x appliance! After some research and digging deeper (header analysis ), it seems that root cause was invalid return path in the email header. To resolve this you need to edit two…

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Esxi Net.ReversePathFwdCheckPromisc Advanced setting

Esxi Net.ReversePathFwdCheckPromisc Advanced setting

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During deployment of Cisco proxy appliance, we discovered a problem. According to cisco to resolve this problem “Net.ReversePathFwdCheckPromisc” should be set to “1” on ESX’s. The question is – do you know any negative effects which such change could cause. We believe that there must be a reason why by default this option is set to 0 ? That’s why I decided to figure our what it is used for. After some research I was able to find answer: Setting…

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SAP application on vSphere platform

SAP application on vSphere platform

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This is a mini article to start our Q&A set, a set of not easy to find answer real life questions 😉  Recently I received a question-related to advanced settings SAP app on vSphere platform: “One of our customer ask us to set the following option to their virtual system: Misc.GuestLibAllowHostInfo This is according to SAP note: 1606643 where SAP requires reconfigure virtual system default configuration. I can’t find details information, which host data would be exposed to virtual system….

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vRealize Automation 7 Installation – minimal deployment

vRealize Automation 7 Installation – minimal deployment

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One might find it quite difficult to install new product for the first time. Even though installing previous version in the past (or particularly because of that!) That’s due to changes in requirements or event different structures of wizard form which requires information in different format. E.g domain administator accound in one version is required in administrator@domain.local format whils in other installation it accepts only domain\administrator format. Thanks to that I’m going to provide the list of basic steps to…

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Howto – Using Gmail as an Email server in vRalize Automation

Howto – Using Gmail as an Email server in vRalize Automation

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Sometimes it is not possible to use corporation e-mail or deploy dedicated e-mail server expecially when it comes to a lab environment (and you are a little bit lazy like me to do it ;)). A workaround which I found is to configure my personal/fictional accounts profided by Gmail. It is more than enough in case you just want to see how notification or approval workflows work. It might not be enough if you want to deploy a little big…

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ESXi and Likewise – troubleshooting guide – part 2

ESXi and Likewise – troubleshooting guide – part 2

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In last part of this small series, we discussed theoretical background about components and technology related for adding ESX host to windows AD environment. Now it is time to describe troubleshooting options and some real life problems with solutions. Let’s start from dividing all ESXi/Likewise issues into categories: Domain Join Failures Here are most often reasons that an attempt to join a domain fails: The user name or password of the account used to join the domain is incorrect. The…

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ESXi and Likewise – troubleshooting guide – part 1

ESXi and Likewise – troubleshooting guide – part 1

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Last week I had to troubleshoot strange issue related to Active Directory integration with ESXI (6.0 version), this was motivation to prepare small (two articles) series about ESXi / Likewise integration and troubleshooting based on my latest experience. VMware use Powerbroker Identity Services (Formerly known as Likewise) for adding ESX host to windows AD environment. To begin as usual is good to have some theoretical background about related components and technology and we describe it all in this part. Below…

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Veeam One Reporter Server installation failed

Veeam One Reporter Server installation failed

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During the recent deployment of Veeam One as part of Veeam Availability Suite I met a mysterious problem during the installation. The problems seemed to be related to Veeam Reporter Server. Environment characteristic: – Veeam 9.5 with Update One – Virtual Machine in Windows AD domain – Domain user with log on as service and local Administrator privileges – External clustered MS-SQL Server 2012 – Database created by the installator or using the script provided by Veeam – both ways…

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VMware vExperts 2017 awards

VMware vExperts 2017 awards

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VMware vExpert is a non technical award granted by a special committee every year. It is a special award because there is no exam or anything like that. VMware judges give it for individuals who have demonstrated significant contributions to the community and share their expertise with others. This means different kinds of activities like blogging, sharing the knowledge by other channels or social media as well as  public speakers, book authors, CloudCred task writing, script writers, VMUG leaders and VMTN…

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VMware vSphere tags limit – is it known ?

VMware vSphere tags limit – is it known ?

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Recently I received quite interesting question – what is the supported maximum quantity  for tags in vCenter 6.0U2 ? Malignant author of the question is a good friend of mine and VMware administrator in one person. He ssked about tags limit because he want to use them to provide more information about each of its production VM’s – roughly speaking need to create about 20000 tags. I thought ok., give me couple seconds to verify this,  and looked fast in…

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