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Got this message after the pc was off for a couple of days...

Created: 16 Mar 2011 • Updated: 16 Mar 2011 | 6 comments

You cannot turn on the Symantec Endpoint Protection. This action is locked by the Symantec endpoint protection administrator.

This happened on my manager's PC, I told him to do a  - start and it came back on, but why would this occur in the first place?

Thank you.

(Windows 7 64 Bit system)

SEPM is on the 2003 Server OS

11.0.6100.645 is the SEP version of the client.

Comments 6 CommentsJump to latest comment

Chetan Savade's picture


Could you please confirm approximately how many days it was out of network ?

Chetan Savade
Sr.Technical Support Engineer, Endpoint Security
Enterprise Technical Support

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w-d's picture

You cannot open Symantec Endpoint Protection (SEP) interface or see the SEP icon on the bar?

Do you have "Require a password to open the client user interface" option enabled in SEP Manager -> Clients -> Policies -> General Settings -> Security Settings?

Vikram Kumar-SAV to SEP's picture

Check this

Vikram Kumar

Symantec Consultant

The most helpful part of entire Symantec connect is the Search use it.

Mithun Sanghavi's picture


As far as I see there are lot of thins missing which may direct us on what may have caused the issue.

Did you check the Application Logs in the Event viewer?

This could have caused by Symantec Endpoint Protection Client service may not have started OR may be due to serdef.dat file.may have failed start.

There could be many Reasons.

Mithun Sanghavi
Senior Consultant

Don't forget to mark your thread as 'SOLVED' with the answer that best helped you.