KB ID : 69
Products :
Published : Dec. 30, 2015
Created : Dec. 30, 2015
Last Modified : March 8, 2018


During VMware backup, this issue occurs due to the following two reasons.

  • When the I/O in the virtual machine is high and the quiescing operation is unable to flush all the data to disk while further I/O is created.

  • When we try to create a quiesced snapshot on a virtual machine that does not have free space. That is, if the free space on the virtual machine is 0 bytes.


This issue can be controlled by reducing the amount of ongoing I/O to the virtual machine. This is accomplished using pre-freeze scripts or post-freeze scripts to quiesce application I/O. For detailed information on fixing this issue, please refer the below VMware knowledge base article to know more about the error message:


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