Category Archives: Vcenter Appliance

Adding an RDM LUN to the second node in the MSCS cluster fails with the error: Incompatible device backing specified for the device

Posted on April 30, 2023 by Ganadmin

Followed the document https://docs.vmware.com/en/VMware-vSphere/6.5/vsphere-esxi-vcenter-server-651-setup-mscs.pdf to configure the windows cluster but it is getting failed with the error Tried a few VMware KB articles to fix the issue https://kb.vmware.com/s/article/2054897 but all the options got failed and finally the issue got fixed … Continue reading →

Posted in SQL server Failover Cluster, Vcenter Appliance, VMware, Windows | Tagged , , | Leave a comment

VC6.7 U3 VPXD crash issue.

Posted on June 30, 2021 by Ganadmin

Every week we had VC down issue and when we login using the SSH , noticed the VPXD service was stopped and when tried to stop it was getting failed. Using the vMon log , noticed it was showing the … Continue reading →

Posted in Vcenter Appliance, vCSA 6.0, VCSA6.5, VCSA6.7, VMware, VPXD | Tagged , , , | 1 Comment

Steps to blacklist the problematic DCs in VMware VCSA 6.7U3

Posted on September 21, 2020 by Ganadmin

We had a DNS issue in one of the DC running active directory integrated  DNS service and it caused our vCenter to fail to connect the domain in AD so we have changed the  DNS to the IPs which is … Continue reading →

Posted in ESXi issue, Vcenter Appliance, vCSA 6.0, VCSA6.5, VCSA6.7, VMware | Tagged , , , | Leave a comment

vCenter VPXD crashes because of high memory.

Posted on July 31, 2020 by Ganadmin

We have a vcenter environment with around  500 ESXi hosts running on multiple clusters and for the past several weeks we had the issue of Vcetner down because of VPXD crash and the service will be in stopped status. VMware … Continue reading →

Posted in ESXi issue, Vcenter Appliance, vCSA 6.0, VCSA6.5, VCSA6.7, VMware, VPXD | Tagged , , , | Leave a comment

Bug in network introspection driver (vnetflt.sys) VMtools 11265 (11.0.1)

Posted on February 13, 2020 by Ganadmin

Recently we have upgraded the VMtools version from 10.305\10.346 to 11265 – 11.0.1 and we noticed few VMs went to hung status and noticed the below alert in windows VMs. vmware.log: 2020-02-07T12:50:58.182Z| vcpu-0| I125: Guest: vsep: AUDIT: VFileSocketMgrCloseSocket : Mux … Continue reading →

Posted in ESXi issue, NSX 6.1.4, Vcenter Appliance, vCSA 6.0, VCSA6.5, VMs, VMtools issue, VMware, Vnic, vShield, Windows | Tagged , , | Leave a comment

VCSA6.5 failed to login using AD credentials

Posted on November 30, 2019 by Ganadmin

One of our vCenter was having issue to login using the AD Credentials . We verified the DNS and the other VC ‘s which connects to the same DNS and AD , found no issues. When we checked the websso.log … Continue reading →

Posted in Joining PSC with AD, Platform Services Controller (PSC ), Vcenter Appliance, vCSA 6.0, VCSA6.5, VMware | Tagged , , | Leave a comment

VCSA Shell is disabled.

Posted on June 30, 2019 by Ganadmin

One of our VC is down because of the space issue and not able to login to the Shell. Followed the below steps to fix the same. Accessed the VCSA on Grub mode Found “/” and /storage/log partitions were full. … Continue reading →

Posted in ESXi issue, Vcenter Appliance, vCSA 6.0, VCSA6.5, VMware | Tagged , , , | Leave a comment

EVC Mode on cluster for encryption

Posted on April 30, 2019 by Ganadmin

In our POC for our new application , noticed the significant differences on the performance on two different environment which is running on same hardware model.Even though the network layer is different from the environment A and B  the issue … Continue reading →

Posted in Dell, ESXi issue, HP, Vcenter Appliance, vCSA 6.0, VCSA6.5, VMware | Tagged , , | Leave a comment

Bug in VCSA 6.5 U1\U2 which failed with invalid credentials on AD authentication

Posted on February 28, 2019 by Ganadmin

On of our vCenter was having issue on connecting the AD users and when users trying to connect the VC , it will fail with the invalid credentials error. I have already mentioned few blogs about AD authentication  issue here … Continue reading →

Posted in Joining PSC with AD, Platform Services Controller (PSC ), SSO, Vcenter Appliance, VCSA6.5, VMware | Tagged , , , , | Leave a comment

6.5u1 SMB1 issue with causes the AD authentication issue.

Posted on January 29, 2019 by Ganadmin

We had the AD authentication issue from the ESXi 6.5 U1 and tried various method mentioned in my previous blog but it got failed with all the options. Below is the error while trying to connect the host from the domainjoin-cl … Continue reading →

Posted in ESXi issue, Vcenter Appliance, vCSA 6.0, VCSA6.5, VMware | Tagged , , , , , , | 1 Comment