Event ID - 24621

Event Id24621
SourceMicrosoft-Windows-BitLocker-Driver
DescriptionInitial state check: Rolling volume conversion transaction on %2.
Event InformationAccording to Microsoft :
Cause :
This event is logged when Rolling volume conversion transaction.
Resolution :
Allow the system to retry
While converting a volume from a decrypted to encrypted volume, or vice-versa, BitLocker will automatically resume if the computer enters sleep or hibernation, or if the power is turned off. A user may also manually pause and resume the conversion process. BitLocker will retry pending operations without intervention.
Verify :
To verify that BitLocker volume conversion has completed successfully, perform the following procedures, as needed.
To perform these procedure, you must have membership in Administrators, or you must have been delegated the appropriate authority.
If you replaced the disk hardware, you first need to re-enable BitLocker by using the following procedure.
To re-enable BitLocker:
1.Click Start, and then click Control Panel.
2.Click Security.
3.Click BitLocker Drive Encryption.
4.If the UAC prompt appears, verify the action is what you requested, and then click Continue.
5.Under the volume to be encrypted, click Turn On BitLocker.
Once BitLocker has been re-enabled (or if you did not replace hardware), continue with the following procedure:
To verify that BitLocker has completed converting the volume:
1.Click Start.
2.In the Start Search box, type eventvwr.msc, and then press ENTER.
3.If the UAC prompt appears, verify the action is what you requested, and then click Continue.
4.Examine the System log. Once encryption has completed successfully, event 24579 is recorded in the System log under the event source Microsoft-Windows-BitLocker-Driver.
Reference LinksEvent ID 24621 from Microsoft-Windows-BitLocker-Driver

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