VMware: Unable to migrate VM, missing snapshot file and out of space Error

The error in the headline is right out of snapshot hell. If you have virtual machines (VMs) with large memory requirements, you probably know that you need extra space on the datastore to store the Memory Swap file (.vswp). When datastore housing the VM runs out of diskspace, you will not be able to create… Continue reading VMware: Unable to migrate VM, missing snapshot file and out of space Error

Invalid configuration for device 4 Error When Cloning or vMotion a Virtual Machine

When performing vMotion on a Virtual Machine (VM) or a template on vDS (virtual distributed switch) configuration, you may come across this error: Invalid configuration for Device ‘4’ I experienced this error in my lab over the weekend and removing the VM from the vDS portgroup fixed the issue. According to VMware, the cause of… Continue reading Invalid configuration for device 4 Error When Cloning or vMotion a Virtual Machine

vSphere Client: Call “Service Instance Retrieve Content” for object “Service Instance”

If you are new to vmware and are using vSphere client to connect to newly deployed ESXi server, you may see an error message similar to this: The server ‘http://ip-address-of-the-server’ could not interpret the client’s request (the remote server returned an error: (404) not found) error stack: Call “ServiceInstance.RetrieveContent” for object “ServiceInstance” on Server “ip-address-of-the-server”… Continue reading vSphere Client: Call “Service Instance Retrieve Content” for object “Service Instance”

Mapped direct-access LUN that is not accessible error

On Vmware ESX or ESXi: If you are trying to Vmotion a Virtual Machine (VM) that has a Raw Device Mapping (RDM) attached, you may get an error message saying: virtual disk ‘hd1’ is mapped direct-access LUN that is not accessible. This error usually occurs when there is LUN ID mismatch across hosts. Here is solution from VMware… Continue reading Mapped direct-access LUN that is not accessible error

Email Server Generates “#500 Firewall Error##” Error

We upgraded our mail server recently to Microsoft Exchange 2007 and users started experiencing problem sending emails to multiple recipients on same domain. The error message: Diagnostic information for administrators: Generating server: exchange-server.internal.domain.com [email protected] external.mail.server.domain.com #500 Firewall Error ## The error message is pretty clear as to where the problem lies. We do have cisco… Continue reading Email Server Generates “#500 Firewall Error##” Error