Connecting to SRM 5.5 server fails with the error “The remote server returned an error: (503) Server Unavailable.”

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Hello People, Its been a while I have not written any articles in the recent times, Encountered a interesting issue so thought of sharing it across , We witnessed a environment where customer had SRM 5.5 installed on a windows 2008 environment. Connecting to SRM failed with a error “Lost connection to SRM Server X.X.X.X:8095 […]

SRM 6.x is installed using external Database, Services fail to start: Unable to start Site Recovery Manager Service.

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After a long time I encountered an error message which seemed to be quite interesting while troubleshooting under SRM. Customer installed an external sql database, created an sql user and configured the ODBC accordingly. Generally it’s recommended to provide the sysadmin privileges during installation. Once installation is completed we went ahead and removed the sysadmin […]

Upgrading the vCenter Server from 5.5 to 6.0 fails at the pre-checks with the error message “vCenter CA certificate not verified. Stopping”

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Recently I encountered an issue on one of the customer’s environment where customer was upgrading the environment from 5.5 to 6.0 and the pre-checks fails with the below error message as displayed in the screenshot.     The error looked pretty complex but the resolution seemed to be pretty simple.  During upgrade the vCenter was […]

vCenter Appliance fails to start with the error message “/dev/mapper/log_vg-log: UNEXPECTED INCONSISTENCY: RUN fsck MANUALLY”

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Today I was working with one of the enterprise customer. Customer had a mass storage outage and environment was running on a vSAN. Once storage was back in stake customer went and powered on the vCenter server. vCenter failed to start up with error message “/dev/mapper/log_vg-log: UNEXPECTED INCONSISTENCY: RUN fsck MANUALLY”   You can have […]

Upgrading windows vCenter 5.5 to 6.0 fails at database validation pre-checks with the “Error: Internal error occurs during VMware vCenter Server Database pre-upgrade checks”

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Today I managed to troubleshoot a interesting case with one of the customer who was having certain issues while upgrading his vCenter environment from 5.5 to 6.0  as It was failing at the database pre-checks. Once SSO credentials was provided when validation was in progress it would end up with an error “Internal error occurs […]

Physical to Virtual (P2V) conversion using VMware vCenter Converter Standalone fails with the error: Unable to obtain hardware information for the selected machine

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Today I encountered an interesting issue where one of the customer was unable to perform a physical to virtual commonly known as P2V conversion using the standalone converter client. Customer either runs the conversion from remote machine or local machine the moment it tries fetching for source details it ended up with the error “Unable […]

Post vCenter upgrade to 5.5, ESXI host fails to configure HA with the error “There was an error unconfiguring the vSphere HA agent on this host”

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Today I was working in one of the customer’s environment where customer managed to upgrade vCenter environment from 5.5 update 3 to a high build version. vCenter upgrade went successfully. During cluster reconfiguration for HA, out of 9 hosts one of the ESXI host failed with the error “There was an error unconfiguring the vSphere […]

Installing update manager fails with an error “Error 25085.Setup failed to register VMware vSphere Update Manager extension to VMware vCenter Server”

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Today I was working in one of the customer’s environment and came across an issue where he had reimaged the OS due to certain OS corruption. Later he managed to install vCenter 5.5 without any issues but while installing the update manager ended up with the error “Error 25085.Setup failed to register VMware vSphere Update […]

Post migrating the embedded vCenter DB to external Database vCenter inventory shows empty or vCenter service fails to start on vCenter 5.5

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Recently I encountered a problem in customer’s environment where customer went ahead from migrating embedded SQL express DB to a external fully blown SQL DB. Once migration was completed services resumed but vCenter was showing empty inventory. We went ahead and verified ODBC connection and it was properly configured with the new database. But yet we […]