CCTV cameras, a new security gate, and a police entry point are in place on the access road to Craigowan Lodge.
It is said that Queen Elizabeth II advised the duchess against talking rudely to palace staff.
The 95-year old this week carried out two in-person meetings at Windsor Castle without her walking stick.
The Duke of York "has an arrogance that hasn't served him well."
"Outwardly stoical, as ever, the Queen was finding the divorce talks deeply upsetting."
The Duke and Duchess of Sussex named their daughter after the nickname of Queen Elizabeth II.
Her Majesty was "girlish" and made a great effort to smile at the camera during the photoshoot.
"It would be better for the monarchy if she stepped aside and allow somebody else to come along."
The Duke of Sussex would need to be "very very careful" about what he writes to avoid any legal consequences.
The Duke of Sussex "really wants to celebrate her life and his relationship with her in that book."
The monarch does not want to "risk all of that walking and sitting at the Commonwealth Day service in order to be able to go to Prince Philip's memorial."
"The Duke will not be returning to the UK in late March, but hopes to visit his grandmother as soon as possible."
The Duchess of Cambridge "knows there is no point in prolonging a feud that has the opportunity of being repaired."
The settlement ended a lawsuit that accused the Duke of York of "rape in the first degree" in a New York court.
The Duke of York "has no income or money to repay a bank loan so the family is the only way to guarantee the payment."
"She will definitely be seen but just be warned it won't be quite as much as we had hoped."
Prince Harry and Meghan Markle welcomed their daughter Lilibet Diana on June 4 in Santa Barbara, California.
"Keep it quiet but just come back to help celebrate not just for the Queen but for the whole country."
Princess Margaret and the Duchess of Sussex "were both from the same mold completely."
"They just don't want to do it all the time. And they see the solution in the future."
"If he doesn't come back, it's a clear statement of where lies his loyalty and his own interest."
The Duke of Sussex could "steal the thunder" from Queen Elizabeth II during the celebrations.