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Enabling TDE without breaking existing mirror


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7















I've been trying to enable TDE in a mirrored SQL Server 2008 R2 configuration. Enabling TDE is not so difficult, though when I enable TDE on the principal, the mirror database goes in to a suspended state.



There are a few good articles here and here as well as many others, but they all demonstrate enabling TDE on a mirrored configuration with importing the database in the mirror before enabling encryption. I've not yet found a way to simply turn on TDE in an existing mirrored system.



I've gone so far as to export the service master key and service keys from the Principal and import them in the mirror. I've tried transact-sql'ing mirroring in the hopes that what I was seeing in the GUI was erroneous due to some advanced mirroring things going on, with no success.



Is enabling TDE across an existing mirrored SQL Server setup possible?










share|improve this question















migrated from stackoverflow.com Dec 16 '14 at 11:23


This question came from our site for professional and enthusiast programmers.



















  • Was there any error when restoring the SMK?

    – Sean Gallardy
    Dec 25 '14 at 14:25











  • Did you also try the 2 steps mentioned by Richard Moulton in your second link? He said: For mirroring to work for me, the following extra two statements needed to be executed immediately after the Master Key was restored on the Mirror site: OPEN MASTER KEY DECRYPTION BY PASSWORD = '<strong password>'; ALTER MASTER KEY ADD ENCRYPTION BY SERVICE MASTER KEY;

    – RLF
    Dec 25 '14 at 15:00


















7















I've been trying to enable TDE in a mirrored SQL Server 2008 R2 configuration. Enabling TDE is not so difficult, though when I enable TDE on the principal, the mirror database goes in to a suspended state.



There are a few good articles here and here as well as many others, but they all demonstrate enabling TDE on a mirrored configuration with importing the database in the mirror before enabling encryption. I've not yet found a way to simply turn on TDE in an existing mirrored system.



I've gone so far as to export the service master key and service keys from the Principal and import them in the mirror. I've tried transact-sql'ing mirroring in the hopes that what I was seeing in the GUI was erroneous due to some advanced mirroring things going on, with no success.



Is enabling TDE across an existing mirrored SQL Server setup possible?










share|improve this question















migrated from stackoverflow.com Dec 16 '14 at 11:23


This question came from our site for professional and enthusiast programmers.



















  • Was there any error when restoring the SMK?

    – Sean Gallardy
    Dec 25 '14 at 14:25











  • Did you also try the 2 steps mentioned by Richard Moulton in your second link? He said: For mirroring to work for me, the following extra two statements needed to be executed immediately after the Master Key was restored on the Mirror site: OPEN MASTER KEY DECRYPTION BY PASSWORD = '<strong password>'; ALTER MASTER KEY ADD ENCRYPTION BY SERVICE MASTER KEY;

    – RLF
    Dec 25 '14 at 15:00
















7












7








7








I've been trying to enable TDE in a mirrored SQL Server 2008 R2 configuration. Enabling TDE is not so difficult, though when I enable TDE on the principal, the mirror database goes in to a suspended state.



There are a few good articles here and here as well as many others, but they all demonstrate enabling TDE on a mirrored configuration with importing the database in the mirror before enabling encryption. I've not yet found a way to simply turn on TDE in an existing mirrored system.



I've gone so far as to export the service master key and service keys from the Principal and import them in the mirror. I've tried transact-sql'ing mirroring in the hopes that what I was seeing in the GUI was erroneous due to some advanced mirroring things going on, with no success.



Is enabling TDE across an existing mirrored SQL Server setup possible?










share|improve this question
















I've been trying to enable TDE in a mirrored SQL Server 2008 R2 configuration. Enabling TDE is not so difficult, though when I enable TDE on the principal, the mirror database goes in to a suspended state.



There are a few good articles here and here as well as many others, but they all demonstrate enabling TDE on a mirrored configuration with importing the database in the mirror before enabling encryption. I've not yet found a way to simply turn on TDE in an existing mirrored system.



I've gone so far as to export the service master key and service keys from the Principal and import them in the mirror. I've tried transact-sql'ing mirroring in the hopes that what I was seeing in the GUI was erroneous due to some advanced mirroring things going on, with no success.



Is enabling TDE across an existing mirrored SQL Server setup possible?







sql-server sql-server-2008-r2 mirroring transparent-data-encryption






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Dec 22 '14 at 10:35









Paul White

52.9k14281457




52.9k14281457










asked Dec 15 '14 at 21:03







Dan Trainor











migrated from stackoverflow.com Dec 16 '14 at 11:23


This question came from our site for professional and enthusiast programmers.









migrated from stackoverflow.com Dec 16 '14 at 11:23


This question came from our site for professional and enthusiast programmers.















  • Was there any error when restoring the SMK?

    – Sean Gallardy
    Dec 25 '14 at 14:25











  • Did you also try the 2 steps mentioned by Richard Moulton in your second link? He said: For mirroring to work for me, the following extra two statements needed to be executed immediately after the Master Key was restored on the Mirror site: OPEN MASTER KEY DECRYPTION BY PASSWORD = '<strong password>'; ALTER MASTER KEY ADD ENCRYPTION BY SERVICE MASTER KEY;

    – RLF
    Dec 25 '14 at 15:00





















  • Was there any error when restoring the SMK?

    – Sean Gallardy
    Dec 25 '14 at 14:25











  • Did you also try the 2 steps mentioned by Richard Moulton in your second link? He said: For mirroring to work for me, the following extra two statements needed to be executed immediately after the Master Key was restored on the Mirror site: OPEN MASTER KEY DECRYPTION BY PASSWORD = '<strong password>'; ALTER MASTER KEY ADD ENCRYPTION BY SERVICE MASTER KEY;

    – RLF
    Dec 25 '14 at 15:00



















Was there any error when restoring the SMK?

– Sean Gallardy
Dec 25 '14 at 14:25





Was there any error when restoring the SMK?

– Sean Gallardy
Dec 25 '14 at 14:25













Did you also try the 2 steps mentioned by Richard Moulton in your second link? He said: For mirroring to work for me, the following extra two statements needed to be executed immediately after the Master Key was restored on the Mirror site: OPEN MASTER KEY DECRYPTION BY PASSWORD = '<strong password>'; ALTER MASTER KEY ADD ENCRYPTION BY SERVICE MASTER KEY;

– RLF
Dec 25 '14 at 15:00







Did you also try the 2 steps mentioned by Richard Moulton in your second link? He said: For mirroring to work for me, the following extra two statements needed to be executed immediately after the Master Key was restored on the Mirror site: OPEN MASTER KEY DECRYPTION BY PASSWORD = '<strong password>'; ALTER MASTER KEY ADD ENCRYPTION BY SERVICE MASTER KEY;

– RLF
Dec 25 '14 at 15:00












3 Answers
3






active

oldest

votes


















1





+100









From the looks of this article, you would probably have to break the mirror first, setup TDE, and then setup the mirror again. Not ideal, but it would work.






share|improve this answer































    1














    Actually, you can. I've tried this on SQL Server 2016 SP1, but I think it works for previous versions as well. The steps are described here . Remember that the mirror database will not show that encryption is enabled (but it is) until you do the fail over.






    share|improve this answer































      0














      If we understand encryption hierarchy, we can easily deduce that how to enable TDB without any interruption for a DB with DB mirroring.
      Step1. Check master key on both principle and mirroring servers.
      Step2. On principle server, if there is master key, we do nothing on this step, if not, create master key.
      Step3. On principle server, create certificate protected by the master key.
      Step4. On principle server, backup certificate, and then copy the certificate to mirroring server.
      Step5. On mirroring server, if there is not master key, create it.
      Step6. On mirroring server, restore certificate.
      Step7. On principle server, create database encryption key for DB that will be enabled TDE.
      Step8. On principle server, set encryption on.






      share|improve this answer








      New contributor




      Sandy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.




















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        3 Answers
        3






        active

        oldest

        votes








        3 Answers
        3






        active

        oldest

        votes









        active

        oldest

        votes






        active

        oldest

        votes









        1





        +100









        From the looks of this article, you would probably have to break the mirror first, setup TDE, and then setup the mirror again. Not ideal, but it would work.






        share|improve this answer




























          1





          +100









          From the looks of this article, you would probably have to break the mirror first, setup TDE, and then setup the mirror again. Not ideal, but it would work.






          share|improve this answer


























            1





            +100







            1





            +100



            1




            +100





            From the looks of this article, you would probably have to break the mirror first, setup TDE, and then setup the mirror again. Not ideal, but it would work.






            share|improve this answer













            From the looks of this article, you would probably have to break the mirror first, setup TDE, and then setup the mirror again. Not ideal, but it would work.







            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered Dec 30 '14 at 19:31









            ConnorConnor

            31315




            31315

























                1














                Actually, you can. I've tried this on SQL Server 2016 SP1, but I think it works for previous versions as well. The steps are described here . Remember that the mirror database will not show that encryption is enabled (but it is) until you do the fail over.






                share|improve this answer




























                  1














                  Actually, you can. I've tried this on SQL Server 2016 SP1, but I think it works for previous versions as well. The steps are described here . Remember that the mirror database will not show that encryption is enabled (but it is) until you do the fail over.






                  share|improve this answer


























                    1












                    1








                    1







                    Actually, you can. I've tried this on SQL Server 2016 SP1, but I think it works for previous versions as well. The steps are described here . Remember that the mirror database will not show that encryption is enabled (but it is) until you do the fail over.






                    share|improve this answer













                    Actually, you can. I've tried this on SQL Server 2016 SP1, but I think it works for previous versions as well. The steps are described here . Remember that the mirror database will not show that encryption is enabled (but it is) until you do the fail over.







                    share|improve this answer












                    share|improve this answer



                    share|improve this answer










                    answered Feb 23 '18 at 22:05









                    Florin FloreaFlorin Florea

                    112




                    112























                        0














                        If we understand encryption hierarchy, we can easily deduce that how to enable TDB without any interruption for a DB with DB mirroring.
                        Step1. Check master key on both principle and mirroring servers.
                        Step2. On principle server, if there is master key, we do nothing on this step, if not, create master key.
                        Step3. On principle server, create certificate protected by the master key.
                        Step4. On principle server, backup certificate, and then copy the certificate to mirroring server.
                        Step5. On mirroring server, if there is not master key, create it.
                        Step6. On mirroring server, restore certificate.
                        Step7. On principle server, create database encryption key for DB that will be enabled TDE.
                        Step8. On principle server, set encryption on.






                        share|improve this answer








                        New contributor




                        Sandy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                        Check out our Code of Conduct.

























                          0














                          If we understand encryption hierarchy, we can easily deduce that how to enable TDB without any interruption for a DB with DB mirroring.
                          Step1. Check master key on both principle and mirroring servers.
                          Step2. On principle server, if there is master key, we do nothing on this step, if not, create master key.
                          Step3. On principle server, create certificate protected by the master key.
                          Step4. On principle server, backup certificate, and then copy the certificate to mirroring server.
                          Step5. On mirroring server, if there is not master key, create it.
                          Step6. On mirroring server, restore certificate.
                          Step7. On principle server, create database encryption key for DB that will be enabled TDE.
                          Step8. On principle server, set encryption on.






                          share|improve this answer








                          New contributor




                          Sandy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                          Check out our Code of Conduct.























                            0












                            0








                            0







                            If we understand encryption hierarchy, we can easily deduce that how to enable TDB without any interruption for a DB with DB mirroring.
                            Step1. Check master key on both principle and mirroring servers.
                            Step2. On principle server, if there is master key, we do nothing on this step, if not, create master key.
                            Step3. On principle server, create certificate protected by the master key.
                            Step4. On principle server, backup certificate, and then copy the certificate to mirroring server.
                            Step5. On mirroring server, if there is not master key, create it.
                            Step6. On mirroring server, restore certificate.
                            Step7. On principle server, create database encryption key for DB that will be enabled TDE.
                            Step8. On principle server, set encryption on.






                            share|improve this answer








                            New contributor




                            Sandy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                            Check out our Code of Conduct.










                            If we understand encryption hierarchy, we can easily deduce that how to enable TDB without any interruption for a DB with DB mirroring.
                            Step1. Check master key on both principle and mirroring servers.
                            Step2. On principle server, if there is master key, we do nothing on this step, if not, create master key.
                            Step3. On principle server, create certificate protected by the master key.
                            Step4. On principle server, backup certificate, and then copy the certificate to mirroring server.
                            Step5. On mirroring server, if there is not master key, create it.
                            Step6. On mirroring server, restore certificate.
                            Step7. On principle server, create database encryption key for DB that will be enabled TDE.
                            Step8. On principle server, set encryption on.







                            share|improve this answer








                            New contributor




                            Sandy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                            Check out our Code of Conduct.









                            share|improve this answer



                            share|improve this answer






                            New contributor




                            Sandy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                            Check out our Code of Conduct.









                            answered 15 mins ago









                            SandySandy

                            1




                            1




                            New contributor




                            Sandy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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                            New contributor





                            Sandy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                            Check out our Code of Conduct.






                            Sandy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                            Check out our Code of Conduct.






























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